1210101020212 has 36 divisors (see below), whose sum is σ = 2493099725760. Its totient is φ = 512366345904.

The previous prime is 1210101020173. The next prime is 1210101020231. The reversal of 1210101020212 is 2120201010121.

It is a junction number, because it is equal to n+sod(n) for n = 1210101020192 and 1210101020201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37176412 + ... + 37208947.

It is an arithmetic number, because the mean of its divisors is an integer number (69252770160).

Almost surely, 2^{1210101020212} is an apocalyptic number.

It is an amenable number.

1210101020212 is an abundant number, since it is smaller than the sum of its proper divisors (1282998705548).

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

1210101020212 is a wasteful number, since it uses less digits than its factorization.

1210101020212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74385460 (or 74385451 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1210101020212 its reverse (2120201010121), we get a palindrome (3330302030333).

The spelling of 1210101020212 in words is "one trillion, two hundred ten billion, one hundred one million, twenty thousand, two hundred twelve".