1201370645376 has 128 divisors (see below), whose sum is σ = 3868049548800. Its totient is φ = 364051699200.

The previous prime is 1201370645369. The next prime is 1201370645437. The reversal of 1201370645376 is 6735460731021.

1201370645376 is a `hidden beast` number, since 1 + 20 + 1 + 37 + 0 + 64 + 537 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×1201370645376² (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

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, 15762840 + ... + 15838871.

It is an arithmetic number, because the mean of its divisors is an integer number (30219137100).

Almost surely, 2^{1201370645376} is an apocalyptic number.

1201370645376 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1201370645376 is an abundant number, since it is smaller than the sum of its proper divisors (2666678903424).

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

1201370645376 is a wasteful number, since it uses less digits than its factorization.

1201370645376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31601745 (or 31601727 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 45.

The spelling of 1201370645376 in words is "one trillion, two hundred one billion, three hundred seventy million, six hundred forty-five thousand, three hundred seventy-six".