147789640212 has 24 divisors (see below), whose sum is σ = 344862818496. Its totient is φ = 49260309888.

The previous prime is 147789640153. The next prime is 147789640217. The reversal of 147789640212 is 212046987741.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147789640217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145653 + ... + 562844.

It is an arithmetic number, because the mean of its divisors is an integer number (14369284104).

Almost surely, 2^147789640212 is an apocalyptic number.

147789640212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

147789640212 is an abundant number, since it is smaller than the sum of its proper divisors (197073178284).

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

147789640212 is a wasteful number, since it uses less digits than its factorization.

147789640212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725887 (or 725885 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 51.

The spelling of 147789640212 in words is "one hundred forty-seven billion, seven hundred eighty-nine million, six hundred forty thousand, two hundred twelve".