1202001959665 has 32 divisors (see below), whose sum is σ = 1637663932800. Its totient is φ = 839602298880.

The previous prime is 1202001959651. The next prime is 1202001959723. The reversal of 1202001959665 is 5669591002021.

It is not a de Polignac number, because 1202001959665 - 2⁷ = 1202001959537 is a prime.

It is a super-2 number, since 2×1202001959665² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32446 + ... + 1550824.

It is an arithmetic number, because the mean of its divisors is an integer number (51176997900).

Almost surely, 2^{1202001959665} is an apocalyptic number.

It is an amenable number.

1202001959665 is a deficient number, since it is larger than the sum of its proper divisors (435661973135).

1202001959665 is a wasteful number, since it uses less digits than its factorization.

1202001959665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1519057.

The product of its (nonzero) digits is 291600, while the sum is 46.

The spelling of 1202001959665 in words is "one trillion, two hundred two billion, one million, nine hundred fifty-nine thousand, six hundred sixty-five".