1203690138372 has 48 divisors (see below), whose sum is σ = 3187075557120. Its totient is φ = 392693234976.

The previous prime is 1203690138349. The next prime is 1203690138373. The reversal of 1203690138372 is 2738310963021.

1203690138372 is a `hidden beast` number, since 1 + 203 + 69 + 0 + 1 + 383 + 7 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (1203690138373) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118561723 + ... + 118571874.

It is an arithmetic number, because the mean of its divisors is an integer number (66397407440).

Almost surely, 2^{1203690138372} is an apocalyptic number.

1203690138372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1203690138372 is an abundant number, since it is smaller than the sum of its proper divisors (1983385418748).

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

1203690138372 is a wasteful number, since it uses less digits than its factorization.

1203690138372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237133657 (or 237133649 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The spelling of 1203690138372 in words is "one trillion, two hundred three billion, six hundred ninety million, one hundred thirty-eight thousand, three hundred seventy-two".