30121001312 has 12 divisors (see below), whose sum is σ = 59300721396. Its totient is φ = 15060500640.

The previous prime is 30121001311. The next prime is 30121001363. The reversal of 30121001312 is 21310012103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30121001311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 470640614 + ... + 470640677.

It is an arithmetic number, because the mean of its divisors is an integer number (4941726783).

Almost surely, 2^30121001312 is an apocalyptic number.

30121001312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

30121001312 is a deficient number, since it is larger than the sum of its proper divisors (29179720084).

30121001312 is an equidigital number, since it uses as much as digits as its factorization.

30121001312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 941281301 (or 941281293 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 30121001312 its reverse (21310012103), we get a palindrome (51431013415).

The spelling of 30121001312 in words is "thirty billion, one hundred twenty-one million, one thousand, three hundred twelve".