149123384212 has 24 divisors (see below), whose sum is σ = 284704443072. Its totient is φ = 67779940800.

The previous prime is 149123384191. The next prime is 149123384213. The reversal of 149123384212 is 212483321941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149123384213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 934593 + ... + 1082455.

It is an arithmetic number, because the mean of its divisors is an integer number (11862685128).

Almost surely, 2^149123384212 is an apocalyptic number.

It is an amenable number.

149123384212 is a deficient number, since it is larger than the sum of its proper divisors (135581058860).

149123384212 is a wasteful number, since it uses less digits than its factorization.

149123384212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170799 (or 170797 counting only the distinct ones).

The product of its digits is 82944, while the sum is 40.

It can be divided in two parts, 149123 and 384212, that added together give a palindrome (533335).

The spelling of 149123384212 in words is "one hundred forty-nine billion, one hundred twenty-three million, three hundred eighty-four thousand, two hundred twelve".