10211212011999 has 16 divisors (see below), whose sum is σ = 13986285290208. Its totient is φ = 6621895239552.

The previous prime is 10211212011977. The next prime is 10211212012031. The reversal of 10211212011999 is 99911021211201.

It is not a de Polignac number, because 10211212011999 - 2⁵ = 10211212011967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10211212010999) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10603392 + ... + 11526245.

It is an arithmetic number, because the mean of its divisors is an integer number (874142830638).

Almost surely, 2^{10211212011999} is an apocalyptic number.

10211212011999 is a deficient number, since it is larger than the sum of its proper divisors (3775073278209).

10211212011999 is a wasteful number, since it uses less digits than its factorization.

10211212011999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22133834.

The product of its (nonzero) digits is 5832, while the sum is 39.

The spelling of 10211212011999 in words is "ten trillion, two hundred eleven billion, two hundred twelve million, eleven thousand, nine hundred ninety-nine".