30012220421144 has 32 divisors (see below), whose sum is σ = 60602734229520. Its totient is φ = 13851534542976.

The previous prime is 30012220421143. The next prime is 30012220421257. The reversal of 30012220421144 is 44112402221003.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30012220421143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2931227 + ... + 8283509.

Almost surely, 2^{30012220421144} is an apocalyptic number.

It is an amenable number.

30012220421144 is an abundant number, since it is smaller than the sum of its proper divisors (30590513808376).

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

30012220421144 is a wasteful number, since it uses less digits than its factorization.

30012220421144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5406219 (or 5406215 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 30012220421144 its reverse (44112402221003), we get a palindrome (74124622642147).

The spelling of 30012220421144 in words is "thirty trillion, twelve billion, two hundred twenty million, four hundred twenty-one thousand, one hundred forty-four".