151221304300 has 72 divisors (see below), whose sum is σ = 358537052160. Its totient is φ = 54904315200.

The previous prime is 151221304243. The next prime is 151221304301. The reversal of 151221304300 is 3403122151.

It is a happy number.

It is a super-3 number, since 3×151221304300³ (a number of 35 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (151221304301) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 605461 + ... + 817939.

It is an arithmetic number, because the mean of its divisors is an integer number (4979681280).

Almost surely, 2^151221304300 is an apocalyptic number.

151221304300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 151221304300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179268526080).

151221304300 is an abundant number, since it is smaller than the sum of its proper divisors (207315747860).

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

151221304300 is a wasteful number, since it uses less digits than its factorization.

151221304300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213151 (or 213144 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 151221304300 its reverse (3403122151), we get a palindrome (154624426451).

The spelling of 151221304300 in words is "one hundred fifty-one billion, two hundred twenty-one million, three hundred four thousand, three hundred".