122012010100100 has 18 divisors (see below), whose sum is σ = 264766061917434. Its totient is φ = 48804804040000.

The previous prime is 122012010100069. The next prime is 122012010100153. The reversal of 122012010100100 is 1001010210221.

It can be written as a sum of positive squares in 3 ways, for example, as 30045482853376 + 91966527246724 = 5481376^2 + 9589918^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 610060050401 + ... + 610060050600.

Almost surely, 2^{122012010100100} is an apocalyptic number.

122012010100100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122012010100100 is an abundant number, since it is smaller than the sum of its proper divisors (142754051817334).

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

122012010100100 is a wasteful number, since it uses less digits than its factorization.

122012010100100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1220120101015 (or 1220120101008 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 122012010100100 its reverse (1001010210221), we get a palindrome (123013020310321).

The spelling of 122012010100100 in words is "one hundred twenty-two trillion, twelve billion, ten million, one hundred thousand, one hundred".