12002103212 has 24 divisors (see below), whose sum is σ = 23703215760. Its totient is φ = 5267380160.

The previous prime is 12002103167. The next prime is 12002103221. The reversal of 12002103212 is 21230120021.

It is a happy 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, 4701743 + ... + 4704294.

It is an arithmetic number, because the mean of its divisors is an integer number (987633990).

Almost surely, 2^12002103212 is an apocalyptic number.

It is an amenable number.

12002103212 is a deficient number, since it is larger than the sum of its proper divisors (11701112548).

12002103212 is a wasteful number, since it uses less digits than its factorization.

12002103212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9406081 (or 9406079 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 12002103212 its reverse (21230120021), we get a palindrome (33232223233).

The spelling of 12002103212 in words is "twelve billion, two million, one hundred three thousand, two hundred twelve".