122110212012210 has 96 divisors (see below), whose sum is σ = 326093175665712. Its totient is φ = 31680132341760.

The previous prime is 122110212012197. The next prime is 122110212012223. The reversal of 122110212012210 is 12210212011221.

122110212012210 is a `hidden beast` number, since 1 + 221 + 1 + 0 + 21 + 201 + 221 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (122110212012197) and next prime (122110212012223).

It can be written as a sum of positive squares in 8 ways, for example, as 5718846570921 + 116391365441289 = 2391411^2 + 10788483^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 40644102 + ... + 43544958.

Almost surely, 2^{122110212012210} is an apocalyptic number.

122110212012210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122110212012210 is an abundant number, since it is smaller than the sum of its proper divisors (203982963653502).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122110212012210 is a wasteful number, since it uses less digits than its factorization.

122110212012210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2913548 (or 2913545 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 122110212012210 its reverse (12210212011221), we get a palindrome (134320424023431).

The spelling of 122110212012210 in words is "one hundred twenty-two trillion, one hundred ten billion, two hundred twelve million, twelve thousand, two hundred ten".