1305620345212 has 6 divisors (see below), whose sum is σ = 2284835604128. Its totient is φ = 652810172604.

The previous prime is 1305620345179. The next prime is 1305620345219. The reversal of 1305620345212 is 2125430265031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1305620345219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163202543148 + ... + 163202543155.

Almost surely, 2^{1305620345212} is an apocalyptic number.

It is an amenable number.

1305620345212 is a deficient number, since it is larger than the sum of its proper divisors (979215258916).

1305620345212 is a wasteful number, since it uses less digits than its factorization.

1305620345212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326405086307 (or 326405086305 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 34.

The spelling of 1305620345212 in words is "one trillion, three hundred five billion, six hundred twenty million, three hundred forty-five thousand, two hundred twelve".