12621473070 has 16 divisors (see below), whose sum is σ = 30291535440. Its totient is φ = 3365726144.

The previous prime is 12621473069. The next prime is 12621473131. The reversal of 12621473070 is 7037412621.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 210357855 + ... + 210357914.

It is an arithmetic number, because the mean of its divisors is an integer number (1893220965).

Almost surely, 2^12621473070 is an apocalyptic number.

12621473070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12621473070 is an abundant number, since it is smaller than the sum of its proper divisors (17670062370).

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

12621473070 is a wasteful number, since it uses less digits than its factorization.

12621473070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420715779.

The product of its (nonzero) digits is 14112, while the sum is 33.

Adding to 12621473070 its reverse (7037412621), we get a palindrome (19658885691).

The spelling of 12621473070 in words is "twelve billion, six hundred twenty-one million, four hundred seventy-three thousand, seventy".