12151501240 has 16 divisors (see below), whose sum is σ = 27340877880. Its totient is φ = 4860600480.

The previous prime is 12151501231. The next prime is 12151501249. The reversal of 12151501240 is 4210515121.

It is an interprime number because it is at equal distance from previous prime (12151501231) and next prime (12151501249).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12151501249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151893726 + ... + 151893805.

Almost surely, 2^12151501240 is an apocalyptic number.

12151501240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12151501240 is an abundant number, since it is smaller than the sum of its proper divisors (15189376640).

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

12151501240 is a wasteful number, since it uses less digits than its factorization.

12151501240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303787542 (or 303787538 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 22.

The spelling of 12151501240 in words is "twelve billion, one hundred fifty-one million, five hundred one thousand, two hundred forty".