1222515020402 has 64 divisors (see below), whose sum is σ = 2118587595264. Its totient is φ = 524638287360.

The previous prime is 1222515020399. The next prime is 1222515020477. The reversal of 1222515020402 is 2040205152221.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6701483 + ... + 6881489.

It is an arithmetic number, because the mean of its divisors is an integer number (33102931176).

Almost surely, 2^{1222515020402} is an apocalyptic number.

1222515020402 is a deficient number, since it is larger than the sum of its proper divisors (896072574862).

1222515020402 is a wasteful number, since it uses less digits than its factorization.

1222515020402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180363.

The product of its (nonzero) digits is 3200, while the sum is 26.

The spelling of 1222515020402 in words is "one trillion, two hundred twenty-two billion, five hundred fifteen million, twenty thousand, four hundred two".