12215442070 has 64 divisors (see below), whose sum is σ = 24009410880. Its totient is φ = 4447807488.

The previous prime is 12215442037. The next prime is 12215442097. The reversal of 12215442070 is 7024451221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3239146 + ... + 3242914.

It is an arithmetic number, because the mean of its divisors is an integer number (375147045).

Almost surely, 2^12215442070 is an apocalyptic number.

12215442070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12215442070 is a deficient number, since it is larger than the sum of its proper divisors (11793968810).

12215442070 is a wasteful number, since it uses less digits than its factorization.

12215442070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4129.

The product of its (nonzero) digits is 4480, while the sum is 28.

Adding to 12215442070 its reverse (7024451221), we get a palindrome (19239893291).

The spelling of 12215442070 in words is "twelve billion, two hundred fifteen million, four hundred forty-two thousand, seventy".