30203121210212 has 48 divisors (see below), whose sum is σ = 57541147130880. Its totient is φ = 13815400780800.

The previous prime is 30203121210211. The next prime is 30203121210217. The reversal of 30203121210212 is 21201212130203.

It is not an unprimeable number, because it can be changed into a prime (30203121210211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19232012 + ... + 20743107.

It is an arithmetic number, because the mean of its divisors is an integer number (1198773898560).

Almost surely, 2^{30203121210212} is an apocalyptic number.

It is an amenable number.

30203121210212 is a deficient number, since it is larger than the sum of its proper divisors (27338025920668).

30203121210212 is a wasteful number, since it uses less digits than its factorization.

30203121210212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39975452 (or 39975450 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 30203121210212 its reverse (21201212130203), we get a palindrome (51404333340415).

The spelling of 30203121210212 in words is "thirty trillion, two hundred three billion, one hundred twenty-one million, two hundred ten thousand, two hundred twelve".