1273162405620 has 96 divisors (see below), whose sum is σ = 4205542957056. Its totient is φ = 281621174400.

The previous prime is 1273162405579. The next prime is 1273162405663. The reversal of 1273162405620 is 265042613721.

It is a super-2 number, since 2×1273162405620² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48879546 + ... + 48905585.

It is an arithmetic number, because the mean of its divisors is an integer number (43807739136).

Almost surely, 2^{1273162405620} is an apocalyptic number.

1273162405620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1273162405620 is an abundant number, since it is smaller than the sum of its proper divisors (2932380551436).

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

1273162405620 is a wasteful number, since it uses less digits than its factorization.

1273162405620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97785181 (or 97785179 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 39.

The spelling of 1273162405620 in words is "one trillion, two hundred seventy-three billion, one hundred sixty-two million, four hundred five thousand, six hundred twenty".