2221254013512 has 16 divisors (see below), whose sum is σ = 5553135033840. Its totient is φ = 740418004496.

The previous prime is 2221254013501. The next prime is 2221254013591. The reversal of 2221254013512 is 2153104521222.

It is a self number, because there is not a number n which added to its sum of digits gives 2221254013512.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46276125258 + ... + 46276125305.

It is an arithmetic number, because the mean of its divisors is an integer number (347070939615).

Almost surely, 2^{2221254013512} is an apocalyptic number.

It is an amenable number.

2221254013512 is an abundant number, since it is smaller than the sum of its proper divisors (3331881020328).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2221254013512 is a wasteful number, since it uses less digits than its factorization.

2221254013512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92552250572 (or 92552250568 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 2221254013512 its reverse (2153104521222), we get a palindrome (4374358534734).

The spelling of 2221254013512 in words is "two trillion, two hundred twenty-one billion, two hundred fifty-four million, thirteen thousand, five hundred twelve".