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122001120012 = 22328335924947
BaseRepresentation
bin111000110011111010…
…1010101101100001100
3102122220110122001002110
41301213311111230030
53444324241320022
6132014015224020
711546205260352
oct1614765255414
9378813561073
10122001120012
11478164a7212
121b789b18010
13b673964455
145c950137d2
1532909da00c
hex1c67d55b0c

122001120012 has 24 divisors (see below), whose sum is σ = 285675186496. Its totient is φ = 40523339088.

The previous prime is 122001119971. The next prime is 122001120019. The reversal of 122001120012 is 210021100221.

122001120012 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 122001120012.

It is not an unprimeable number, because it can be changed into a prime (122001120019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17959078 + ... + 17965869.

Almost surely, 2122001120012 is an apocalyptic number.

122001120012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122001120012 is an abundant number, since it is smaller than the sum of its proper divisors (163674066484).

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

122001120012 is a wasteful number, since it uses less digits than its factorization.

122001120012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35925237 (or 35925235 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 122001120012 its reverse (210021100221), we get a palindrome (332022220233).

The spelling of 122001120012 in words is "one hundred twenty-two billion, one million, one hundred twenty thousand, twelve".

Divisors: 1 2 3 4 6 12 283 566 849 1132 1698 3396 35924947 71849894 107774841 143699788 215549682 431099364 10166760001 20333520002 30500280003 40667040004 61000560006 122001120012