102012322122 has 24 divisors (see below), whose sum is σ = 222616823520. Its totient is φ = 33759472680.

The previous prime is 102012322103. The next prime is 102012322123. The reversal of 102012322122 is 221223210201.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 102012322095 and 102012322104.

It is not an unprimeable number, because it can be changed into a prime (102012322123) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20383654 + ... + 20388657.

It is an arithmetic number, because the mean of its divisors is an integer number (9275700980).

Almost surely, 2^102012322122 is an apocalyptic number.

102012322122 is an abundant number, since it is smaller than the sum of its proper divisors (120604501398).

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

102012322122 is a wasteful number, since it uses less digits than its factorization.

102012322122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40772458 (or 40772455 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 102012322122 its reverse (221223210201), we get a palindrome (323235532323).

The spelling of 102012322122 in words is "one hundred two billion, twelve million, three hundred twenty-two thousand, one hundred twenty-two".