102412621842 has 32 divisors (see below), whose sum is σ = 206765697600. Its totient is φ = 33814317888.

The previous prime is 102412621811. The next prime is 102412621873. The reversal of 102412621842 is 248126214201.

It is an interprime number because it is at equal distance from previous prime (102412621811) and next prime (102412621873).

It is a super-2 number, since 2×102412621842² (a number of 23 digits) contains 22 as substring.

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, 2371588 + ... + 2414384.

It is an arithmetic number, because the mean of its divisors is an integer number (6461428050).

Almost surely, 2^102412621842 is an apocalyptic number.

102412621842 is an abundant number, since it is smaller than the sum of its proper divisors (104353075758).

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

102412621842 is a wasteful number, since it uses less digits than its factorization.

102412621842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46570.

The product of its (nonzero) digits is 12288, while the sum is 33.

The spelling of 102412621842 in words is "one hundred two billion, four hundred twelve million, six hundred twenty-one thousand, eight hundred forty-two".