27122842512 has 30 divisors (see below), whose sum is σ = 75906288822. Its totient is φ = 9040947456.

The previous prime is 27122842507. The next prime is 27122842519. The reversal of 27122842512 is 21524822172.

It is a happy number.

27122842512 is a `hidden beast` number, since 2 + 7 + 1 + 228 + 425 + 1 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 21128366736 + 5994475776 = 145356^2 + 77424^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (27122842519) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 94176393 + ... + 94176680.

Almost surely, 2^27122842512 is an apocalyptic number.

It is an amenable number.

27122842512 is an abundant number, since it is smaller than the sum of its proper divisors (48783446310).

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

27122842512 is a wasteful number, since it uses less digits than its factorization.

27122842512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188353087 (or 188353078 counting only the distinct ones).

The product of its digits is 35840, while the sum is 36.

The spelling of 27122842512 in words is "twenty-seven billion, one hundred twenty-two million, eight hundred forty-two thousand, five hundred twelve".