212211001023332 has 72 divisors (see below), whose sum is σ = 411730186795200. Its totient is φ = 95503867824640.

The previous prime is 212211001023331. The next prime is 212211001023341. The reversal of 212211001023332 is 233320100112212.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a junction number, because it is equal to n+sod(n) for n = 212211001023298 and 212211001023307.

It is not an unprimeable number, because it can be changed into a prime (212211001023331) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 139120919 + ... + 140638017.

It is an arithmetic number, because the mean of its divisors is an integer number (5718474816600).

Almost surely, 2^{212211001023332} is an apocalyptic number.

It is an amenable number.

212211001023332 is a deficient number, since it is larger than the sum of its proper divisors (199519185771868).

212211001023332 is a wasteful number, since it uses less digits than its factorization.

212211001023332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1522421 (or 1522402 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 212211001023332 its reverse (233320100112212), we get a palindrome (445531101135544).

The spelling of 212211001023332 in words is "two hundred twelve trillion, two hundred eleven billion, one million, twenty-three thousand, three hundred thirty-two".