1215445213022 has 4 divisors (see below), whose sum is σ = 1823167819536. Its totient is φ = 607722606510.

The previous prime is 1215445213019. The next prime is 1215445213061. The reversal of 1215445213022 is 2203125445121.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1215445213022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 303861303254 + ... + 303861303257.

It is an arithmetic number, because the mean of its divisors is an integer number (455791954884).

Almost surely, 2^{1215445213022} is an apocalyptic number.

1215445213022 is a deficient number, since it is larger than the sum of its proper divisors (607722606514).

1215445213022 is an equidigital number, since it uses as much as digits as its factorization.

1215445213022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 607722606513.

The product of its (nonzero) digits is 19200, while the sum is 32.

The spelling of 1215445213022 in words is "one trillion, two hundred fifteen billion, four hundred forty-five million, two hundred thirteen thousand, twenty-two".