123212022101 has 32 divisors (see below), whose sum is σ = 143297890560. Its totient is φ = 103767358464.

The previous prime is 123212022083. The next prime is 123212022137. The reversal of 123212022101 is 101220212321.

It is not a de Polignac number, because 123212022101 - 2¹⁴ = 123212005717 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 123212022101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123212028101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52811531 + ... + 52813863.

It is an arithmetic number, because the mean of its divisors is an integer number (4478059080).

Almost surely, 2^123212022101 is an apocalyptic number.

It is an amenable number.

123212022101 is a deficient number, since it is larger than the sum of its proper divisors (20085868459).

123212022101 is a wasteful number, since it uses less digits than its factorization.

123212022101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3005.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 123212022101 its reverse (101220212321), we get a palindrome (224432234422).

The spelling of 123212022101 in words is "one hundred twenty-three billion, two hundred twelve million, twenty-two thousand, one hundred one".