64227131412 has 12 divisors (see below), whose sum is σ = 149863306656. Its totient is φ = 21409043800.

The previous prime is 64227131407. The next prime is 64227131461. The reversal of 64227131412 is 21413172246.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×64227131412² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2676130464 + ... + 2676130487.

It is an arithmetic number, because the mean of its divisors is an integer number (12488608888).

Almost surely, 2^64227131412 is an apocalyptic number.

It is an amenable number.

64227131412 is an abundant number, since it is smaller than the sum of its proper divisors (85636175244).

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

64227131412 is a wasteful number, since it uses less digits than its factorization.

64227131412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5352260958 (or 5352260956 counting only the distinct ones).

The product of its digits is 16128, while the sum is 33.

The spelling of 64227131412 in words is "sixty-four billion, two hundred twenty-seven million, one hundred thirty-one thousand, four hundred twelve".