212244100052331 has 4 divisors (see below), whose sum is σ = 282992133403112. Its totient is φ = 141496066701552.

The previous prime is 212244100052279. The next prime is 212244100052447. The reversal of 212244100052331 is 133250001442212.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 212244100052331 - 2¹⁰ = 212244100051307 is a prime.

It is a super-2 number, since 2×212244100052331² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212244100062331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35374016675386 + ... + 35374016675391.

It is an arithmetic number, because the mean of its divisors is an integer number (70748033350778).

Almost surely, 2^{212244100052331} is an apocalyptic number.

212244100052331 is a deficient number, since it is larger than the sum of its proper divisors (70748033350781).

212244100052331 is an equidigital number, since it uses as much as digits as its factorization.

212244100052331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70748033350780.

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 212244100052331 its reverse (133250001442212), we get a palindrome (345494101494543).

The spelling of 212244100052331 in words is "two hundred twelve trillion, two hundred forty-four billion, one hundred million, fifty-two thousand, three hundred thirty-one".