1202001959664 has 120 divisors (see below), whose sum is σ = 3829302801792. Its totient is φ = 348406354560.

The previous prime is 1202001959651. The next prime is 1202001959723. The reversal of 1202001959664 is 4669591002021.

1202001959664 is a `hidden beast` number, since 1 + 20 + 20 + 0 + 19 + 596 + 6 + 4 = 666.

It is a super-2 number, since 2×1202001959664² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16460082 + ... + 16532945.

Almost surely, 2^{1202001959664} is an apocalyptic number.

It is an amenable number.

1202001959664 is an abundant number, since it is smaller than the sum of its proper divisors (2627300842128).

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

1202001959664 is a wasteful number, since it uses less digits than its factorization.

1202001959664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32993075 (or 32993066 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The spelling of 1202001959664 in words is "one trillion, two hundred two billion, one million, nine hundred fifty-nine thousand, six hundred sixty-four".