30101220312102 has 48 divisors (see below), whose sum is σ = 67327142433408. Its totient is φ = 9709496593920.

The previous prime is 30101220312089. The next prime is 30101220312169. The reversal of 30101220312102 is 20121302210103.

30101220312102 is a `hidden beast` number, since 30 + 1 + 0 + 1 + 220 + 312 + 102 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7894828 + ... + 11069360.

It is an arithmetic number, because the mean of its divisors is an integer number (1402648800696).

Almost surely, 2^{30101220312102} is an apocalyptic number.

30101220312102 is an abundant number, since it is smaller than the sum of its proper divisors (37225922121306).

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

30101220312102 is a wasteful number, since it uses less digits than its factorization.

30101220312102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3191565 (or 3191562 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 30101220312102 its reverse (20121302210103), we get a palindrome (50222522522205).

The spelling of 30101220312102 in words is "thirty trillion, one hundred one billion, two hundred twenty million, three hundred twelve thousand, one hundred two".