1212013000344 has 64 divisors (see below), whose sum is σ = 3134672200800. Its totient is φ = 390053758976.

The previous prime is 1212013000343. The next prime is 1212013000381. The reversal of 1212013000344 is 4430003102121.

It is a self number, because there is not a number n which added to its sum of digits gives 1212013000344.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212013000343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22100542 + ... + 22155314.

Almost surely, 2^{1212013000344} is an apocalyptic number.

It is an amenable number.

1212013000344 is an abundant number, since it is smaller than the sum of its proper divisors (1922659200456).

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

1212013000344 is a wasteful number, since it uses less digits than its factorization.

1212013000344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86604 (or 86600 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 1212013000344 its reverse (4430003102121), we get a palindrome (5642016102465).

The spelling of 1212013000344 in words is "one trillion, two hundred twelve billion, thirteen million, three hundred forty-four", and thus it is an aban number.