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122112434432 = 2823910691867
BaseRepresentation
bin111000110111001110…
…1111110000100000000
3102200012020002101202202
41301232131332010000
54000041240400212
6132033033132332
711552026365242
oct1615635760400
9380166071682
10122112434432
11478733163aa
121b7bb25a0a8
13b690a39b81
145ca5b0c092
15329a6770c2
hex1c6e77e100

122112434432 has 72 divisors (see below), whose sum is σ = 245127926400. Its totient is φ = 60711340032.

The previous prime is 122112434401. The next prime is 122112434447. The reversal of 122112434432 is 234434211221.

It is a super-2 number, since 2×1221124344322 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122112434395 and 122112434404.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65404763 + ... + 65406629.

Almost surely, 2122112434432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122112434432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122563963200).

122112434432 is an abundant number, since it is smaller than the sum of its proper divisors (123015491968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122112434432 is a wasteful number, since it uses less digits than its factorization.

122112434432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3191 (or 3177 counting only the distinct ones).

The product of its digits is 9216, while the sum is 29.

Adding to 122112434432 its reverse (234434211221), we get a palindrome (356546645653).

The spelling of 122112434432 in words is "one hundred twenty-two billion, one hundred twelve million, four hundred thirty-four thousand, four hundred thirty-two".

Divisors: 1 2 4 8 16 32 64 128 239 256 478 956 1069 1867 1912 2138 3734 3824 4276 7468 7648 8552 14936 15296 17104 29872 30592 34208 59744 61184 68416 119488 136832 238976 255491 273664 446213 477952 510982 892426 1021964 1784852 1995823 2043928 3569704 3991646 4087856 7139408 7983292 8175712 14278816 15966584 16351424 28557632 31933168 32702848 57115264 63866336 65405696 114230528 127732672 255465344 477001697 510930688 954003394 1908006788 3816013576 7632027152 15264054304 30528108608 61056217216 122112434432