12412121012 has 6 divisors (see below), whose sum is σ = 21721211778. Its totient is φ = 6206060504.

The previous prime is 12412120999. The next prime is 12412121021. The reversal of 12412121012 is 21012121421.

It can be written as a sum of positive squares in only one way, i.e., 12375227536 + 36893476 = 111244^2 + 6074^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1551515123 + ... + 1551515130.

It is an arithmetic number, because the mean of its divisors is an integer number (3620201963).

Almost surely, 2^12412121012 is an apocalyptic number.

It is an amenable number.

12412121012 is a deficient number, since it is larger than the sum of its proper divisors (9309090766).

12412121012 is a wasteful number, since it uses less digits than its factorization.

12412121012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3103030257 (or 3103030255 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12412121012 its reverse (21012121421), we get a palindrome (33424242433).

The spelling of 12412121012 in words is "twelve billion, four hundred twelve million, one hundred twenty-one thousand, twelve".