30121244212102 has 16 divisors (see below), whose sum is σ = 45231144565680. Its totient is φ = 15044201390592.

The previous prime is 30121244212097. The next prime is 30121244212123. The reversal of 30121244212102 is 20121244212103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9911518 + ... + 12588910.

It is an arithmetic number, because the mean of its divisors is an integer number (2826946535355).

Almost surely, 2^{30121244212102} is an apocalyptic number.

30121244212102 is a deficient number, since it is larger than the sum of its proper divisors (15109900353578).

30121244212102 is a wasteful number, since it uses less digits than its factorization.

30121244212102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2683527.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 30121244212102 its reverse (20121244212103), we get a palindrome (50242488424205).

Subtracting from 30121244212102 its reverse (20121244212103), we obtain a palindrome (9999999999999).

The spelling of 30121244212102 in words is "thirty trillion, one hundred twenty-one billion, two hundred forty-four million, two hundred twelve thousand, one hundred two".