102023121012 has 48 divisors (see below), whose sum is σ = 251967643200. Its totient is φ = 32039815680.

The previous prime is 102023121001. The next prime is 102023121023. The reversal of 102023121012 is 210121320201.

It is an interprime number because it is at equal distance from previous prime (102023121001) and next prime (102023121023).

It is a junction number, because it is equal to n+sod(n) for n = 102023120982 and 102023121000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1194837 + ... + 1277372.

It is an arithmetic number, because the mean of its divisors is an integer number (5249325900).

Almost surely, 2^102023121012 is an apocalyptic number.

102023121012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102023121012 is an abundant number, since it is smaller than the sum of its proper divisors (149944522188).

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

102023121012 is a wasteful number, since it uses less digits than its factorization.

102023121012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2472416 (or 2472414 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 102023121012 its reverse (210121320201), we get a palindrome (312144441213).

The spelling of 102023121012 in words is "one hundred two billion, twenty-three million, one hundred twenty-one thousand, twelve".