212533432011 has 60 divisors (see below), whose sum is σ = 321536967752. Its totient is φ = 140479303104.

The previous prime is 212533431961. The next prime is 212533432061. The reversal of 212533432011 is 110234335212.

212533432011 is a `hidden beast` number, since 2 + 1 + 2 + 5 + 334 + 320 + 1 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (212533431961) and next prime (212533432061).

It is not a de Polignac number, because 212533432011 - 2²³ = 212525043403 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212533432061) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 630662835 + ... + 630663171.

Almost surely, 2^212533432011 is an apocalyptic number.

212533432011 is a deficient number, since it is larger than the sum of its proper divisors (109003535741).

212533432011 is an frugal number, since it uses more digits than its factorization.

212533432011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 722 (or 519 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 212533432011 its reverse (110234335212), we get a palindrome (322767767223).

The spelling of 212533432011 in words is "two hundred twelve billion, five hundred thirty-three million, four hundred thirty-two thousand, eleven".