1230213331212 has 48 divisors (see below), whose sum is σ = 2933845512192. Its totient is φ = 401119268800.

The previous prime is 1230213331177. The next prime is 1230213331213. The reversal of 1230213331212 is 2121333120321.

It is not an unprimeable number, because it can be changed into a prime (1230213331213) 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, 6014028 + ... + 6215219.

It is an arithmetic number, because the mean of its divisors is an integer number (61121781504).

Almost surely, 2^{1230213331212} is an apocalyptic number.

1230213331212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1230213331212 is an abundant number, since it is smaller than the sum of its proper divisors (1703632180980).

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

1230213331212 is a wasteful number, since it uses less digits than its factorization.

1230213331212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12229438 (or 12229436 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 1230213331212 its reverse (2121333120321), we get a palindrome (3351546451533).

The spelling of 1230213331212 in words is "one trillion, two hundred thirty billion, two hundred thirteen million, three hundred thirty-one thousand, two hundred twelve".