212691474001 has 16 divisors (see below), whose sum is σ = 215396108928. Its totient is φ = 210000211200.

The previous prime is 212691473893. The next prime is 212691474019. The reversal of 212691474001 is 100474196212.

It is a cyclic number.

It is not a de Polignac number, because 212691474001 - 2³⁵ = 178331735633 is a prime.

It is a super-2 number, since 2×212691474001² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212691474031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56549961 + ... + 56553721.

It is an arithmetic number, because the mean of its divisors is an integer number (13462256808).

Almost surely, 2^212691474001 is an apocalyptic number.

It is an amenable number.

212691474001 is a deficient number, since it is larger than the sum of its proper divisors (2704634927).

212691474001 is a wasteful number, since it uses less digits than its factorization.

212691474001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5352.

The product of its (nonzero) digits is 24192, while the sum is 37.

The spelling of 212691474001 in words is "two hundred twelve billion, six hundred ninety-one million, four hundred seventy-four thousand, one".