1212231102202 has 16 divisors (see below), whose sum is σ = 1917309875040. Its totient is φ = 573236502768.

The previous prime is 1212231102163. The next prime is 1212231102253. The reversal of 1212231102202 is 2022011322121.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 1212231102202.

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, 27150453 + ... + 27195064.

It is an arithmetic number, because the mean of its divisors is an integer number (119831867190).

Almost surely, 2^{1212231102202} is an apocalyptic number.

1212231102202 is a deficient number, since it is larger than the sum of its proper divisors (705078772838).

1212231102202 is a wasteful number, since it uses less digits than its factorization.

1212231102202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54346125.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 1212231102202 its reverse (2022011322121), we get a palindrome (3234242424323).

The spelling of 1212231102202 in words is "one trillion, two hundred twelve billion, two hundred thirty-one million, one hundred two thousand, two hundred two".