121012200012202 has 16 divisors (see below), whose sum is σ = 184949551041192. Its totient is φ = 59362428399040.

The previous prime is 121012200012169. The next prime is 121012200012257. The reversal of 121012200012202 is 202210002210121.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 113850201743721 + 7161998268481 = 10670061^2 + 2676191^2 .

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, 16592713 + ... + 22745164.

Almost surely, 2^{121012200012202} is an apocalyptic number.

121012200012202 is a deficient number, since it is larger than the sum of its proper divisors (63937351028990).

121012200012202 is a wasteful number, since it uses less digits than its factorization.

121012200012202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39366953.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 121012200012202 its reverse (202210002210121), we get a palindrome (323222202222323).

The spelling of 121012200012202 in words is "one hundred twenty-one trillion, twelve billion, two hundred million, twelve thousand, two hundred two".