1272713302620 has 72 divisors (see below), whose sum is σ = 3933404538336. Its totient is φ = 332986622592.

The previous prime is 1272713302591. The next prime is 1272713302687. The reversal of 1272713302620 is 262033172721.

1272713302620 is a `hidden beast` number, since 1 + 2 + 7 + 27 + 1 + 3 + 3 + 0 + 2 + 620 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 66694512 + ... + 66713591.

It is an arithmetic number, because the mean of its divisors is an integer number (54630618588).

Almost surely, 2^{1272713302620} is an apocalyptic number.

1272713302620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1272713302620 is an abundant number, since it is smaller than the sum of its proper divisors (2660691235716).

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

1272713302620 is a wasteful number, since it uses less digits than its factorization.

1272713302620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133408171 (or 133408166 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The spelling of 1272713302620 in words is "one trillion, two hundred seventy-two billion, seven hundred thirteen million, three hundred two thousand, six hundred twenty".