30121420034100 has 216 divisors, whose sum is σ = 93751330503040. Its totient is φ = 7464189358080.

The previous prime is 30121420034029. The next prime is 30121420034129. The reversal of 30121420034100 is 143002412103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 4650432 + ... + 9048168.

Almost surely, 2^{30121420034100} is an apocalyptic number.

30121420034100 is a gapful number since it is divisible by the number (30) 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 30121420034100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46875665251520).

30121420034100 is an abundant number, since it is smaller than the sum of its proper divisors (63629910468940).

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

30121420034100 is a wasteful number, since it uses less digits than its factorization.

30121420034100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4397867 (or 4397843 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 30121420034100 its reverse (143002412103), we get a palindrome (30264422446203).

The spelling of 30121420034100 in words is "thirty trillion, one hundred twenty-one billion, four hundred twenty million, thirty-four thousand, one hundred".