212583196761 has 16 divisors (see below), whose sum is σ = 305255946240. Its totient is φ = 130816880640.

The previous prime is 212583196741. The next prime is 212583196781. The reversal of 212583196761 is 167691385212.

It is an interprime number because it is at equal distance from previous prime (212583196741) and next prime (212583196781).

It is not a de Polignac number, because 212583196761 - 2⁷ = 212583196633 is a prime.

It is a super-2 number, since 2×212583196761² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (212583196741) 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, 2701785 + ... + 2779353.

It is an arithmetic number, because the mean of its divisors is an integer number (19078496640).

Almost surely, 2^212583196761 is an apocalyptic number.

It is an amenable number.

212583196761 is a deficient number, since it is larger than the sum of its proper divisors (92672749479).

212583196761 is a wasteful number, since it uses less digits than its factorization.

212583196761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147856.

The product of its digits is 1088640, while the sum is 51.

The spelling of 212583196761 in words is "two hundred twelve billion, five hundred eighty-three million, one hundred ninety-six thousand, seven hundred sixty-one".