1212021012202 has 48 divisors (see below), whose sum is σ = 2484582563232. Its totient is φ = 435891667680.

The previous prime is 1212021012197. The next prime is 1212021012281. The reversal of 1212021012202 is 2022101202121.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43229208 + ... + 43257235.

It is an arithmetic number, because the mean of its divisors is an integer number (51762136734).

Almost surely, 2^{1212021012202} is an apocalyptic number.

1212021012202 is an abundant number, since it is smaller than the sum of its proper divisors (1272561551030).

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

1212021012202 is a wasteful number, since it uses less digits than its factorization.

1212021012202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86486483 (or 86486476 counting only the distinct ones).

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

Adding to 1212021012202 its reverse (2022101202121), we get a palindrome (3234122214323).

The spelling of 1212021012202 in words is "one trillion, two hundred twelve billion, twenty-one million, twelve thousand, two hundred two".