1200101999967 has 64 divisors (see below), whose sum is σ = 1963038000000. Its totient is φ = 719907056640.

The previous prime is 1200101999963. The next prime is 1200101999989. The reversal of 1200101999967 is 7699991010021.

It is not a de Polignac number, because 1200101999967 - 2² = 1200101999963 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200101999963) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 17421909 + ... + 17490657.

It is an arithmetic number, because the mean of its divisors is an integer number (30672468750).

Almost surely, 2^{1200101999967} is an apocalyptic number.

1200101999967 is a deficient number, since it is larger than the sum of its proper divisors (762936000033).

1200101999967 is a wasteful number, since it uses less digits than its factorization.

1200101999967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70025 (or 70019 counting only the distinct ones).

The product of its (nonzero) digits is 551124, while the sum is 54.

The spelling of 1200101999967 in words is "one trillion, two hundred billion, one hundred one million, nine hundred ninety-nine thousand, nine hundred sixty-seven".