121210213130122 has 16 divisors (see below), whose sum is σ = 194947178232960. Its totient is φ = 56318073709248.

The previous prime is 121210213130119. The next prime is 121210213130179. The reversal of 121210213130122 is 221031312012121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 121210213130093 and 121210213130102.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22563328128 + ... + 22563333499.

It is an arithmetic number, because the mean of its divisors is an integer number (12184198639560).

Almost surely, 2^{121210213130122} is an apocalyptic number.

121210213130122 is a deficient number, since it is larger than the sum of its proper divisors (73736965102838).

121210213130122 is a wasteful number, since it uses less digits than its factorization.

121210213130122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45126661725.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 121210213130122 its reverse (221031312012121), we get a palindrome (342241525142243).

The spelling of 121210213130122 in words is "one hundred twenty-one trillion, two hundred ten billion, two hundred thirteen million, one hundred thirty thousand, one hundred twenty-two".