102312121010 has 16 divisors (see below), whose sum is σ = 200903801472. Its totient is φ = 37204407600.

The previous prime is 102312120979. The next prime is 102312121013. The reversal of 102312121010 is 10121213201.

It is not an unprimeable number, because it can be changed into a prime (102312121013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 465054986 + ... + 465055205.

It is an arithmetic number, because the mean of its divisors is an integer number (12556487592).

Almost surely, 2^102312121010 is an apocalyptic number.

102312121010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102312121010 is a deficient number, since it is larger than the sum of its proper divisors (98591680462).

102312121010 is a wasteful number, since it uses less digits than its factorization.

102312121010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 930110209.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 102312121010 its reverse (10121213201), we get a palindrome (112433334211).

It can be divided in two parts, 102312 and 121010, that added together give a palindrome (223322).

The spelling of 102312121010 in words is "one hundred two billion, three hundred twelve million, one hundred twenty-one thousand, ten".