123201333211212 has 96 divisors (see below), whose sum is σ = 326258009468160. Its totient is φ = 40195352545920.

The previous prime is 123201333211199. The next prime is 123201333211267. The reversal of 123201333211212 is 212112333102321.

123201333211212 is a `hidden beast` number, since 1 + 2 + 3 + 201 + 3 + 33 + 211 + 212 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58611298 + ... + 60676905.

It is an arithmetic number, because the mean of its divisors is an integer number (3398520931960).

Almost surely, 2^{123201333211212} is an apocalyptic number.

123201333211212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

123201333211212 is an abundant number, since it is smaller than the sum of its proper divisors (203056676256948).

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

123201333211212 is a wasteful number, since it uses less digits than its factorization.

123201333211212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119288420 (or 119288412 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

Adding to 123201333211212 its reverse (212112333102321), we get a palindrome (335313666313533).

The spelling of 123201333211212 in words is "one hundred twenty-three trillion, two hundred one billion, three hundred thirty-three million, two hundred eleven thousand, two hundred twelve".