102123313220000 has 60 divisors (see below), whose sum is σ = 251238669067386. Its totient is φ = 40849325280000.

The previous prime is 102123313219999. The next prime is 102123313220011. The reversal of 102123313220000 is 22313321201.

It can be written as a sum of positive squares in 5 ways, for example, as 794044952464 + 101329268267536 = 891092^2 + 10066244^2 .

It is a super-2 number, since 2×102123313220000² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2553062831 + ... + 2553102830.

Almost surely, 2^{102123313220000} is an apocalyptic number.

102123313220000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102123313220000 is an abundant number, since it is smaller than the sum of its proper divisors (149115355847386).

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

102123313220000 is an frugal number, since it uses more digits than its factorization.

102123313220000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5106165691 (or 5106165668 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 102123313220000 its reverse (22313321201), we get a palindrome (102145626541201).

The spelling of 102123313220000 in words is "one hundred two trillion, one hundred twenty-three billion, three hundred thirteen million, two hundred twenty thousand".