151221413130 has 64 divisors (see below), whose sum is σ = 369946217088. Its totient is φ = 39546973440.

The previous prime is 151221413071. The next prime is 151221413149. The reversal of 151221413130 is 31314122151.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 151221413130.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3701877 + ... + 3742503.

It is an arithmetic number, because the mean of its divisors is an integer number (5780409642).

Almost surely, 2^151221413130 is an apocalyptic number.

151221413130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 151221413130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184973108544).

151221413130 is an abundant number, since it is smaller than the sum of its proper divisors (218724803958).

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

151221413130 is a wasteful number, since it uses less digits than its factorization.

151221413130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43031.

The product of its (nonzero) digits is 720, while the sum is 24.

Adding to 151221413130 its reverse (31314122151), we get a palindrome (182535535281).

The spelling of 151221413130 in words is "one hundred fifty-one billion, two hundred twenty-one million, four hundred thirteen thousand, one hundred thirty".