121200020012210 has 32 divisors (see below), whose sum is σ = 225211169981952. Its totient is φ = 46913279811840.

The previous prime is 121200020012191. The next prime is 121200020012221. The reversal of 121200020012210 is 12210020002121.

It is a super-3 number, since 3×121200020012210³ (a number of 43 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6801584 + ... + 16990043.

It is an arithmetic number, because the mean of its divisors is an integer number (7037849061936).

Almost surely, 2^{121200020012210} is an apocalyptic number.

121200020012210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121200020012210 is a deficient number, since it is larger than the sum of its proper divisors (104011149969742).

121200020012210 is a wasteful number, since it uses less digits than its factorization.

121200020012210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23808098.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 121200020012210 its reverse (12210020002121), we get a palindrome (133410040014331).

The spelling of 121200020012210 in words is "one hundred twenty-one trillion, two hundred billion, twenty million, twelve thousand, two hundred ten".