1202011101992 has 32 divisors (see below), whose sum is σ = 2259600520320. Its totient is φ = 599452110720.

The previous prime is 1202011101989. The next prime is 1202011102027. The reversal of 1202011101992 is 2991011102021.

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 7 ways as a sum of consecutive naturals, for example, 8473892 + ... + 8614572.

It is an arithmetic number, because the mean of its divisors is an integer number (70612516260).

Almost surely, 2^{1202011101992} is an apocalyptic number.

It is an amenable number.

1202011101992 is a deficient number, since it is larger than the sum of its proper divisors (1057589418328).

1202011101992 is a wasteful number, since it uses less digits than its factorization.

1202011101992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143441 (or 143437 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 29.

Adding to 1202011101992 its sum of digits (29), we get a palindrome (1202011102021).

The spelling of 1202011101992 in words is "one trillion, two hundred two billion, eleven million, one hundred one thousand, nine hundred ninety-two".