101212101210 has 32 divisors (see below), whose sum is σ = 264991684032. Its totient is φ = 24536266880.

The previous prime is 101212101173. The next prime is 101212101227. The reversal of 101212101210 is 12101212101.

101212101210 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It is an alternating number because its digits alternate between odd and even.

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, 153351339 + ... + 153351998.

It is an arithmetic number, because the mean of its divisors is an integer number (8280990126).

Almost surely, 2^101212101210 is an apocalyptic number.

101212101210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101212101210 is an abundant number, since it is smaller than the sum of its proper divisors (163779582822).

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

101212101210 is a wasteful number, since it uses less digits than its factorization.

101212101210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306703358.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 101212101210 its reverse (12101212101), we get a palindrome (113313313311).

The spelling of 101212101210 in words is "one hundred one billion, two hundred twelve million, one hundred one thousand, two hundred ten".