1212330110012 has 48 divisors (see below), whose sum is σ = 2464192539648. Its totient is φ = 511130874240.

The previous prime is 1212330109987. The next prime is 1212330110021. The reversal of 1212330110012 is 2100110332121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 241313 + ... + 1575719.

It is an arithmetic number, because the mean of its divisors is an integer number (51337344576).

Almost surely, 2^{1212330110012} is an apocalyptic number.

It is an amenable number.

1212330110012 is an abundant number, since it is smaller than the sum of its proper divisors (1251862429636).

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

1212330110012 is a wasteful number, since it uses less digits than its factorization.

1212330110012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1334946 (or 1334944 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1212330110012 its reverse (2100110332121), we get a palindrome (3312440442133).

The spelling of 1212330110012 in words is "one trillion, two hundred twelve billion, three hundred thirty million, one hundred ten thousand, twelve".