1210021333212 has 48 divisors (see below), whose sum is σ = 2902063030272. Its totient is φ = 392118292800.

The previous prime is 1210021333201. The next prime is 1210021333217. The reversal of 1210021333212 is 2123331200121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210021333217) 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, 571164 + ... + 1657187.

It is an arithmetic number, because the mean of its divisors is an integer number (60459646464).

Almost surely, 2^{1210021333212} is an apocalyptic number.

1210021333212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1210021333212 is an abundant number, since it is smaller than the sum of its proper divisors (1692041697060).

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

1210021333212 is a wasteful number, since it uses less digits than its factorization.

1210021333212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2229618 (or 2229616 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1210021333212 its reverse (2123331200121), we get a palindrome (3333352533333).

The spelling of 1210021333212 in words is "one trillion, two hundred ten billion, twenty-one million, three hundred thirty-three thousand, two hundred twelve".