1213051583072 has 48 divisors (see below), whose sum is σ = 2734356038400. Its totient is φ = 518928778368.

The previous prime is 1213051583069. The next prime is 1213051583089. The reversal of 1213051583072 is 2703851503121.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4827572 + ... + 5072627.

It is an arithmetic number, because the mean of its divisors is an integer number (56965750800).

Almost surely, 2^{1213051583072} is an apocalyptic number.

It is an amenable number.

1213051583072 is an abundant number, since it is smaller than the sum of its proper divisors (1521304455328).

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

1213051583072 is an equidigital number, since it uses as much as digits as its factorization.

1213051583072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9900763 (or 9900755 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 38.

The spelling of 1213051583072 in words is "one trillion, two hundred thirteen billion, fifty-one million, five hundred eighty-three thousand, seventy-two".