30121101033212 has 24 divisors (see below), whose sum is σ = 61378847391456. Its totient is φ = 12665476444608.

The previous prime is 30121101033203. The next prime is 30121101033301. The reversal of 30121101033212 is 21233010112103.

It is a happy number.

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, 10148617463 + ... + 10148620430.

It is an arithmetic number, because the mean of its divisors is an integer number (2557451974644).

Almost surely, 2^{30121101033212} is an apocalyptic number.

It is an amenable number.

30121101033212 is an abundant number, since it is smaller than the sum of its proper divisors (31257746358244).

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

30121101033212 is a wasteful number, since it uses less digits than its factorization.

30121101033212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20297237957 (or 20297237955 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 30121101033212 its reverse (21233010112103), we get a palindrome (51354111145315).

The spelling of 30121101033212 in words is "thirty trillion, one hundred twenty-one billion, one hundred one million, thirty-three thousand, two hundred twelve".