1212044020116 has 48 divisors (see below), whose sum is σ = 2951379099648. Its totient is φ = 386407516000.

The previous prime is 1212044020079. The next prime is 1212044020157. The reversal of 1212044020116 is 6110204402121.

It is a super-2 number, since 2×1212044020116² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2406181 + ... + 2865971.

It is an arithmetic number, because the mean of its divisors is an integer number (61487064576).

Almost surely, 2^{1212044020116} is an apocalyptic number.

It is an amenable number.

1212044020116 is an abundant number, since it is smaller than the sum of its proper divisors (1739335079532).

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

1212044020116 is a wasteful number, since it uses less digits than its factorization.

1212044020116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469372 (or 469370 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 1212044020116 its reverse (6110204402121), we get a palindrome (7322248422237).

The spelling of 1212044020116 in words is "one trillion, two hundred twelve billion, forty-four million, twenty thousand, one hundred sixteen".