1021210012212 has 48 divisors (see below), whose sum is σ = 2575657042560. Its totient is φ = 313050354048.

The previous prime is 1021210012211. The next prime is 1021210012231. The reversal of 1021210012212 is 2122100121201.

1021210012212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 1021210012191 and 1021210012200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021210012211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12125728 + ... + 12209655.

It is an arithmetic number, because the mean of its divisors is an integer number (53659521720).

Almost surely, 2^{1021210012212} is an apocalyptic number.

1021210012212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1021210012212 is an abundant number, since it is smaller than the sum of its proper divisors (1554447030348).

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

1021210012212 is a wasteful number, since it uses less digits than its factorization.

1021210012212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24335672 (or 24335670 counting only the distinct ones).

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

Adding to 1021210012212 its reverse (2122100121201), we get a palindrome (3143310133413).

The spelling of 1021210012212 in words is "one trillion, twenty-one billion, two hundred ten million, twelve thousand, two hundred twelve".