102312221333320 has 64 divisors (see below), whose sum is σ = 240266574278640. Its totient is φ = 39173386137600.

The previous prime is 102312221333281. The next prime is 102312221333339. The reversal of 102312221333320 is 23333122213201.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 27932049466084 + 74380171867236 = 5285078^2 + 8624394^2 .

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, 588455541 + ... + 588629380.

Almost surely, 2^{102312221333320} is an apocalyptic number.

102312221333320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102312221333320 is an abundant number, since it is smaller than the sum of its proper divisors (137954352945320).

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

102312221333320 is a wasteful number, since it uses less digits than its factorization.

102312221333320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1177085026 (or 1177085022 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 102312221333320 its reverse (23333122213201), we get a palindrome (125645343546521).

The spelling of 102312221333320 in words is "one hundred two trillion, three hundred twelve billion, two hundred twenty-one million, three hundred thirty-three thousand, three hundred twenty".