1213666241286 has 32 divisors (see below), whose sum is σ = 2555512070400. Its totient is φ = 383199236640.

The previous prime is 1213666241197. The next prime is 1213666241299. The reversal of 1213666241286 is 6821426663121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 195610 + ... + 1570221.

It is an arithmetic number, because the mean of its divisors is an integer number (79859752200).

Almost surely, 2^{1213666241286} is an apocalyptic number.

1213666241286 is an abundant number, since it is smaller than the sum of its proper divisors (1341845829114).

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

1213666241286 is a wasteful number, since it uses less digits than its factorization.

1213666241286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1771884.

The product of its digits is 995328, while the sum is 48.

The spelling of 1213666241286 in words is "one trillion, two hundred thirteen billion, six hundred sixty-six million, two hundred forty-one thousand, two hundred eighty-six".