1215441145022 has 24 divisors (see below), whose sum is σ = 1974358993680. Its totient is φ = 560925630720.

The previous prime is 1215441145021. The next prime is 1215441145073. The reversal of 1215441145022 is 2205411445121.

It is a self number, because there is not a number n which added to its sum of digits gives 1215441145022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1215441145021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4043054 + ... + 4333262.

It is an arithmetic number, because the mean of its divisors is an integer number (82264958070).

Almost surely, 2^{1215441145022} is an apocalyptic number.

1215441145022 is a deficient number, since it is larger than the sum of its proper divisors (758917848658).

1215441145022 is a wasteful number, since it uses less digits than its factorization.

1215441145022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302628 (or 302615 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 32.

The spelling of 1215441145022 in words is "one trillion, two hundred fifteen billion, four hundred forty-one million, one hundred forty-five thousand, twenty-two".