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122042310212 = 2230510577553
BaseRepresentation
bin111000110101001001…
…0011101111001000100
3102200000100010201102102
41301222102131321010
53444420312411322
6132022050131232
711550215343404
oct1615222357104
9380010121372
10122042310212
114783777aaa9
121b79b880b18
13b67c356954
145c9a696804
153294424792
hex1c6a49de44

122042310212 has 6 divisors (see below), whose sum is σ = 213574042878. Its totient is φ = 61021155104.

The previous prime is 122042310211. The next prime is 122042310217. The reversal of 122042310212 is 212013240221.

It can be written as a sum of positive squares in only one way, i.e., 106089609796 + 15952700416 = 325714^2 + 126304^2 .

It is not an unprimeable number, because it can be changed into a prime (122042310211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15255288773 + ... + 15255288780.

It is an arithmetic number, because the mean of its divisors is an integer number (35595673813).

Almost surely, 2122042310212 is an apocalyptic number.

It is an amenable number.

122042310212 is a deficient number, since it is larger than the sum of its proper divisors (91531732666).

122042310212 is a wasteful number, since it uses less digits than its factorization.

122042310212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30510577557 (or 30510577555 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 122042310212 its reverse (212013240221), we get a palindrome (334055550433).

The spelling of 122042310212 in words is "one hundred twenty-two billion, forty-two million, three hundred ten thousand, two hundred twelve".

Divisors: 1 2 4 30510577553 61021155106 122042310212