123211351154132 has 6 divisors (see below), whose sum is σ = 215619864519738. Its totient is φ = 61605675577064.

The previous prime is 123211351154051. The next prime is 123211351154149. The reversal of 123211351154132 is 231451153112321.

It can be written as a sum of positive squares in only one way, i.e., 117345092768836 + 5866258385296 = 10832594^2 + 2422036^2 .

It is a junction number, because it is equal to n+sod(n) for n = 123211351154092 and 123211351154101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15401418894263 + ... + 15401418894270.

It is an arithmetic number, because the mean of its divisors is an integer number (35936644086623).

Almost surely, 2^{123211351154132} is an apocalyptic number.

It is an amenable number.

123211351154132 is a deficient number, since it is larger than the sum of its proper divisors (92408513365606).

123211351154132 is a wasteful number, since it uses less digits than its factorization.

123211351154132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30802837788537 (or 30802837788535 counting only the distinct ones).

The product of its digits is 21600, while the sum is 35.

The spelling of 123211351154132 in words is "one hundred twenty-three trillion, two hundred eleven billion, three hundred fifty-one million, one hundred fifty-four thousand, one hundred thirty-two".