1201690604988 has 48 divisors (see below), whose sum is σ = 3115568322720. Its totient is φ = 400554000000.

The previous prime is 1201690604951. The next prime is 1201690605023. The reversal of 1201690604988 is 8894060961021.

1201690604988 is a `hidden beast` number, since 1 + 2 + 0 + 1 + 6 + 90 + 60 + 498 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5548738 + ... + 5761238.

It is an arithmetic number, because the mean of its divisors is an integer number (64907673390).

Almost surely, 2^{1201690604988} is an apocalyptic number.

1201690604988 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1201690604988 is an abundant number, since it is smaller than the sum of its proper divisors (1913877717732).

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

1201690604988 is a wasteful number, since it uses less digits than its factorization.

1201690604988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264875 (or 264867 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 54.

The spelling of 1201690604988 in words is "one trillion, two hundred one billion, six hundred ninety million, six hundred four thousand, nine hundred eighty-eight".