71212634130 has 32 divisors (see below), whose sum is σ = 186447624768. Its totient is φ = 17263668800.

The previous prime is 71212634107. The next prime is 71212634131. The reversal of 71212634130 is 3143621217.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (71212634131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107897601 + ... + 107898260.

It is an arithmetic number, because the mean of its divisors is an integer number (5826488274).

Almost surely, 2^71212634130 is an apocalyptic number.

71212634130 is an abundant number, since it is smaller than the sum of its proper divisors (115234990638).

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

71212634130 is a wasteful number, since it uses less digits than its factorization.

71212634130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215795882.

The product of its (nonzero) digits is 6048, while the sum is 30.

The spelling of 71212634130 in words is "seventy-one billion, two hundred twelve million, six hundred thirty-four thousand, one hundred thirty".