123132201142 has 16 divisors (see below), whose sum is σ = 186944118480. Its totient is φ = 60818758528.

The previous prime is 123132201133. The next prime is 123132201197. The reversal of 123132201142 is 241102231321.

It is a super-2 number, since 2×123132201142² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120028 + ... + 510559.

It is an arithmetic number, because the mean of its divisors is an integer number (11684007405).

Almost surely, 2^123132201142 is an apocalyptic number.

123132201142 is a deficient number, since it is larger than the sum of its proper divisors (63811917338).

123132201142 is a wasteful number, since it uses less digits than its factorization.

123132201142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631775.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 123132201142 its reverse (241102231321), we get a palindrome (364234432463).

The spelling of 123132201142 in words is "one hundred twenty-three billion, one hundred thirty-two million, two hundred one thousand, one hundred forty-two".