212210011211012 has 12 divisors (see below), whose sum is σ = 372322191908940. Its totient is φ = 105832242094176.

The previous prime is 212210011210961. The next prime is 212210011211021. The reversal of 212210011211012 is 210112110012212.

It can be written as a sum of positive squares in 2 ways, for example, as 135502963049476 + 76707048161536 = 11640574^2 + 8758256^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 68190876083 + ... + 68190879194.

It is an arithmetic number, because the mean of its divisors is an integer number (31026849325745).

Almost surely, 2^{212210011211012} is an apocalyptic number.

It is an amenable number.

212210011211012 is a deficient number, since it is larger than the sum of its proper divisors (160112180697928).

212210011211012 is a wasteful number, since it uses less digits than its factorization.

212210011211012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136381755670 (or 136381755668 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 212210011211012 its reverse (210112110012212), we get a palindrome (422322121223224).

The spelling of 212210011211012 in words is "two hundred twelve trillion, two hundred ten billion, eleven million, two hundred eleven thousand, twelve".