30220121400 has 192 divisors, whose sum is σ = 113363815680. Its totient is φ = 6501120000.

The previous prime is 30220121363. The next prime is 30220121401. The reversal of 30220121400 is 412102203.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 30220121400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30220121401) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 140226 + ... + 283025.

It is an arithmetic number, because the mean of its divisors is an integer number (590436540).

Almost surely, 2^30220121400 is an apocalyptic number.

30220121400 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30220121400 is an abundant number, since it is smaller than the sum of its proper divisors (83143694280).

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

30220121400 is a wasteful number, since it uses less digits than its factorization.

30220121400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423294 (or 423285 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 30220121400 its reverse (412102203), we get a palindrome (30632223603).

The spelling of 30220121400 in words is "thirty billion, two hundred twenty million, one hundred twenty-one thousand, four hundred".