102130321128472 has 192 divisors, whose sum is σ = 245034901440000. Its totient is φ = 39543406527744.

The previous prime is 102130321128449. The next prime is 102130321128499. The reversal of 102130321128472 is 274821123031201.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 67502529 + ... + 68998927.

It is an arithmetic number, because the mean of its divisors is an integer number (1276223445000).

Almost surely, 2^{102130321128472} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102130321128472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122517450720000).

102130321128472 is an abundant number, since it is smaller than the sum of its proper divisors (142904580311528).

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

102130321128472 is a wasteful number, since it uses less digits than its factorization.

102130321128472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1496718 (or 1496707 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 37.

Adding to 102130321128472 its reverse (274821123031201), we get a palindrome (376951444159673).

The spelling of 102130321128472 in words is "one hundred two trillion, one hundred thirty billion, three hundred twenty-one million, one hundred twenty-eight thousand, four hundred seventy-two".