1212210012202 has 128 divisors (see below), whose sum is σ = 2372693852160. Its totient is φ = 452029455360.

The previous prime is 1212210012127. The next prime is 1212210012227. The reversal of 1212210012202 is 2022100122121.

It is a happy number.

It is a super-2 number, since 2×1212210012202² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 35014633 + ... + 35049235.

It is an arithmetic number, because the mean of its divisors is an integer number (18536670720).

Almost surely, 2^{1212210012202} is an apocalyptic number.

1212210012202 is a deficient number, since it is larger than the sum of its proper divisors (1160483839958).

1212210012202 is a wasteful number, since it uses less digits than its factorization.

1212210012202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34836.

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

Adding to 1212210012202 its reverse (2022100122121), we get a palindrome (3234310134323).

The spelling of 1212210012202 in words is "one trillion, two hundred twelve billion, two hundred ten million, twelve thousand, two hundred two".