121012213202 has 32 divisors (see below), whose sum is σ = 196000300800. Its totient is φ = 55863024448.

The previous prime is 121012213181. The next prime is 121012213229. The reversal of 121012213202 is 202312210121.

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, 5213699 + ... + 5236857.

It is an arithmetic number, because the mean of its divisors is an integer number (6125009400).

Almost surely, 2^121012213202 is an apocalyptic number.

121012213202 is a deficient number, since it is larger than the sum of its proper divisors (74988087598).

121012213202 is a wasteful number, since it uses less digits than its factorization.

121012213202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27130.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 121012213202 its reverse (202312210121), we get a palindrome (323324423323).

The spelling of 121012213202 in words is "one hundred twenty-one billion, twelve million, two hundred thirteen thousand, two hundred two".