151998012 has 24 divisors (see below), whose sum is σ = 394069200. Its totient is φ = 50665968.

The previous prime is 151998001. The next prime is 151998017. The reversal of 151998012 is 210899151.

151998012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151998017) 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, 703587 + ... + 703802.

It is an arithmetic number, because the mean of its divisors is an integer number (16419550).

Almost surely, 2^151998012 is an apocalyptic number.

151998012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

151998012 is an abundant number, since it is smaller than the sum of its proper divisors (242071188).

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

151998012 is a wasteful number, since it uses less digits than its factorization.

151998012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1407402 (or 1407394 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 36.

The square root of 151998012 is about 12328.7473816280. The cubic root of 151998012 is about 533.6780030753.

The spelling of 151998012 in words is "one hundred fifty-one million, nine hundred ninety-eight thousand, twelve".