1225974985272 has 32 divisors (see below), whose sum is σ = 3405486070800. Its totient is φ = 408658328352.

The previous prime is 1225974985259. The next prime is 1225974985273. The reversal of 1225974985272 is 2725894795221.

1225974985272 is a `hidden beast` number, since 1 + 2 + 2 + 5 + 97 + 498 + 52 + 7 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1225974985273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2837904843 + ... + 2837905274.

Almost surely, 2^{1225974985272} is an apocalyptic number.

1225974985272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1225974985272 is an abundant number, since it is smaller than the sum of its proper divisors (2179511085528).

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

1225974985272 is a wasteful number, since it uses less digits than its factorization.

1225974985272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5675810132 (or 5675810122 counting only the distinct ones).

The product of its digits is 50803200, while the sum is 63.

The spelling of 1225974985272 in words is "one trillion, two hundred twenty-five billion, nine hundred seventy-four million, nine hundred eighty-five thousand, two hundred seventy-two".