122000012001100 has 108 divisors (see below), whose sum is σ = 274224439007400. Its totient is φ = 47110329388800.

The previous prime is 122000012001073. The next prime is 122000012001113. The reversal of 122000012001100 is 1100210000221.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 37752931 + ... + 40856869.

Almost surely, 2^{122000012001100} is an apocalyptic number.

122000012001100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122000012001100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137112219503700).

122000012001100 is an abundant number, since it is smaller than the sum of its proper divisors (152224427006300).

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

122000012001100 is a wasteful number, since it uses less digits than its factorization.

122000012001100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3104424 (or 3104386 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 122000012001100 its reverse (1100210000221), we get a palindrome (123100222001321).

The spelling of 122000012001100 in words is "one hundred twenty-two trillion, twelve million, one thousand, one hundred".