149057643212 has 6 divisors (see below), whose sum is σ = 260850875628. Its totient is φ = 74528821604.

The previous prime is 149057643211. The next prime is 149057643233. The reversal of 149057643212 is 212346750941.

It is not an unprimeable number, because it can be changed into a prime (149057643211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18632205398 + ... + 18632205405.

It is an arithmetic number, because the mean of its divisors is an integer number (43475145938).

Almost surely, 2^149057643212 is an apocalyptic number.

It is an amenable number.

149057643212 is a deficient number, since it is larger than the sum of its proper divisors (111793232416).

149057643212 is a wasteful number, since it uses less digits than its factorization.

149057643212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37264410807 (or 37264410805 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 44.

The spelling of 149057643212 in words is "one hundred forty-nine billion, fifty-seven million, six hundred forty-three thousand, two hundred twelve".