30212123122112 has 28 divisors (see below), whose sum is σ = 60019771766160. Its totient is φ = 15089031023616.

The previous prime is 30212123122091. The next prime is 30212123122231. The reversal of 30212123122112 is 21122132121203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 266044937 + ... + 266158472.

Almost surely, 2^{30212123122112} is an apocalyptic number.

30212123122112 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

30212123122112 is a deficient number, since it is larger than the sum of its proper divisors (29807648644048).

30212123122112 is an equidigital number, since it uses as much as digits as its factorization.

30212123122112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532204308 (or 532204298 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 30212123122112 its reverse (21122132121203), we get a palindrome (51334255243315).

The spelling of 30212123122112 in words is "thirty trillion, two hundred twelve billion, one hundred twenty-three million, one hundred twenty-two thousand, one hundred twelve".