149127210007218 has 24 divisors (see below), whose sum is σ = 342115364134908. Its totient is φ = 46785007060992.

The previous prime is 149127210007211. The next prime is 149127210007241. The reversal of 149127210007218 is 812700012721941.

149127210007218 is a `hidden beast` number, since 1 + 491 + 2 + 72 + 10 + 0 + 0 + 72 + 18 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 149084173260009 + 43036747209 = 12210003^2 + 207453^2 .

It is a super-2 number, since 2×149127210007218² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (149127210007211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 243671911471 + ... + 243671912082.

Almost surely, 2^{149127210007218} is an apocalyptic number.

149127210007218 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

149127210007218 is an abundant number, since it is smaller than the sum of its proper divisors (192988154127690).

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

149127210007218 is a wasteful number, since it uses less digits than its factorization.

149127210007218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487343823578 (or 487343823575 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 45.

The spelling of 149127210007218 in words is "one hundred forty-nine trillion, one hundred twenty-seven billion, two hundred ten million, seven thousand, two hundred eighteen".