123212330101 has 24 divisors (see below), whose sum is σ = 152997284160. Its totient is φ = 98642880000.

The previous prime is 123212330089. The next prime is 123212330123. The reversal of 123212330101 is 101033212321.

It is not a de Polignac number, because 123212330101 - 2¹⁵ = 123212297333 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123212334101) 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, 865900 + ... + 998101.

It is an arithmetic number, because the mean of its divisors is an integer number (6374886840).

Almost surely, 2^123212330101 is an apocalyptic number.

It is an amenable number.

123212330101 is a deficient number, since it is larger than the sum of its proper divisors (29784954059).

123212330101 is a wasteful number, since it uses less digits than its factorization.

123212330101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1864105 (or 1864098 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 123212330101 its reverse (101033212321), we get a palindrome (224245542422).

The spelling of 123212330101 in words is "one hundred twenty-three billion, two hundred twelve million, three hundred thirty thousand, one hundred one".