30210120021400 has 144 divisors (see below), whose sum is σ = 79866553838400. Its totient is φ = 10606687660800.

The previous prime is 30210120021397. The next prime is 30210120021409. The reversal of 30210120021400 is 412002101203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30210120021409) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 20821512 + ... + 22225111.

It is an arithmetic number, because the mean of its divisors is an integer number (554628846100).

Almost surely, 2^{30210120021400} is an apocalyptic number.

It is an amenable number.

30210120021400 is an abundant number, since it is smaller than the sum of its proper divisors (49656433817000).

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

30210120021400 is a wasteful number, since it uses less digits than its factorization.

30210120021400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43046690 (or 43046670 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 30210120021400 its reverse (412002101203), we get a palindrome (30622122122603).

The spelling of 30210120021400 in words is "thirty trillion, two hundred ten billion, one hundred twenty million, twenty-one thousand, four hundred".