210122211012212 has 24 divisors (see below), whose sum is σ = 369506796695400. Its totient is φ = 104549305597056.

The previous prime is 210122211012199. The next prime is 210122211012221. The reversal of 210122211012212 is 212210112221012.

It can be written as a sum of positive squares in 4 ways, for example, as 18079044786916 + 192043166225296 = 4251946^2 + 13857964^2 .

It is a super-2 number, since 2×210122211012212² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56325287 + ... + 59939822.

It is an arithmetic number, because the mean of its divisors is an integer number (15396116528975).

Almost surely, 2^{210122211012212} is an apocalyptic number.

It is an amenable number.

210122211012212 is a deficient number, since it is larger than the sum of its proper divisors (159384585683188).

210122211012212 is a wasteful number, since it uses less digits than its factorization.

210122211012212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116267315 (or 116267313 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 210122211012212 its reverse (212210112221012), we get a palindrome (422332323233224).

The spelling of 210122211012212 in words is "two hundred ten trillion, one hundred twenty-two billion, two hundred eleven million, twelve thousand, two hundred twelve".