123001522132 has 6 divisors (see below), whose sum is σ = 215252663738. Its totient is φ = 61500761064.

The previous prime is 123001522121. The next prime is 123001522139. The reversal of 123001522132 is 231225100321.

It can be written as a sum of positive squares in only one way, i.e., 94276017936 + 28725504196 = 307044^2 + 169486^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123001522139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15375190263 + ... + 15375190270.

Almost surely, 2^123001522132 is an apocalyptic number.

It is an amenable number.

123001522132 is a deficient number, since it is larger than the sum of its proper divisors (92251141606).

123001522132 is a wasteful number, since it uses less digits than its factorization.

123001522132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30750380537 (or 30750380535 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 123001522132 its reverse (231225100321), we get a palindrome (354226622453).

The spelling of 123001522132 in words is "one hundred twenty-three billion, one million, five hundred twenty-two thousand, one hundred thirty-two".