1212220122022 has 64 divisors (see below), whose sum is σ = 2287603067904. Its totient is φ = 468977558400.

The previous prime is 1212220122019. The next prime is 1212220122059. The reversal of 1212220122022 is 2202210222121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2756647 + ... + 3165997.

It is an arithmetic number, because the mean of its divisors is an integer number (35743797936).

Almost surely, 2^{1212220122022} is an apocalyptic number.

1212220122022 is a deficient number, since it is larger than the sum of its proper divisors (1075382945882).

1212220122022 is a wasteful number, since it uses less digits than its factorization.

1212220122022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409733.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 1212220122022 its reverse (2202210222121), we get a palindrome (3414430344143).

The spelling of 1212220122022 in words is "one trillion, two hundred twelve billion, two hundred twenty million, one hundred twenty-two thousand, twenty-two".