1226630247013 has 4 divisors (see below), whose sum is σ = 1230105120588. Its totient is φ = 1223155373440.

The previous prime is 1226630246951. The next prime is 1226630247067. The reversal of 1226630247013 is 3107420366221.

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

It can be written as a sum of positive squares in 2 ways, for example, as 435345277249 + 791284969764 = 659807^2 + 889542^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1226630247013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1226630247613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1737436258 + ... + 1737436963.

It is an arithmetic number, because the mean of its divisors is an integer number (307526280147).

Almost surely, 2^{1226630247013} is an apocalyptic number.

It is an amenable number.

1226630247013 is a deficient number, since it is larger than the sum of its proper divisors (3474873575).

1226630247013 is an equidigital number, since it uses as much as digits as its factorization.

1226630247013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3474873574.

The product of its (nonzero) digits is 72576, while the sum is 37.

The spelling of 1226630247013 in words is "one trillion, two hundred twenty-six billion, six hundred thirty million, two hundred forty-seven thousand, thirteen".