121210020211210 has 64 divisors (see below), whose sum is σ = 252793857330432. Its totient is φ = 40983276243456.

The previous prime is 121210020211151. The next prime is 121210020211219. The reversal of 121210020211210 is 12112020012121.

It is not an unprimeable number, because it can be changed into a prime (121210020211219) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39201532 + ... + 42180328.

It is an arithmetic number, because the mean of its divisors is an integer number (3949904020788).

Almost surely, 2^{121210020211210} is an apocalyptic number.

121210020211210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121210020211210 is an abundant number, since it is smaller than the sum of its proper divisors (131583837119222).

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

121210020211210 is a wasteful number, since it uses less digits than its factorization.

121210020211210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2986847.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 121210020211210 its reverse (12112020012121), we get a palindrome (133322040223331).

The spelling of 121210020211210 in words is "one hundred twenty-one trillion, two hundred ten billion, twenty million, two hundred eleven thousand, two hundred ten".