102020123023312 has 40 divisors (see below), whose sum is σ = 212870938216104. Its totient is φ = 47085762107904.

The previous prime is 102020123023307. The next prime is 102020123023327. The reversal of 102020123023312 is 213320321020201.

It can be written as a sum of positive squares in 4 ways, for example, as 9785535137856 + 92234587885456 = 3128184^2 + 9603884^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20067918 + ... + 24632530.

Almost surely, 2^{102020123023312} is an apocalyptic number.

It is an amenable number.

102020123023312 is an abundant number, since it is smaller than the sum of its proper divisors (110850815192792).

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

102020123023312 is a wasteful number, since it uses less digits than its factorization.

102020123023312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4672087 (or 4672081 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 102020123023312 its reverse (213320321020201), we get a palindrome (315340444043513).

The spelling of 102020123023312 in words is "one hundred two trillion, twenty billion, one hundred twenty-three million, twenty-three thousand, three hundred twelve".