101212012020210 has 192 divisors, whose sum is σ = 308731903356672. Its totient is φ = 20777470092288.

The previous prime is 101212012020191. The next prime is 101212012020347. The reversal of 101212012020210 is 12020210212101.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 101212012020210.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 37225329 + ... + 39851588.

It is an arithmetic number, because the mean of its divisors is an integer number (1607978663316).

Almost surely, 2^{101212012020210} is an apocalyptic number.

101212012020210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101212012020210 is an abundant number, since it is smaller than the sum of its proper divisors (207519891336462).

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

101212012020210 is a wasteful number, since it uses less digits than its factorization.

101212012020210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77076997 (or 77076984 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 101212012020210 its reverse (12020210212101), we get a palindrome (113232222232311).

The spelling of 101212012020210 in words is "one hundred one trillion, two hundred twelve billion, twelve million, twenty thousand, two hundred ten".