20112403412 has 24 divisors (see below), whose sum is σ = 37076185440. Its totient is φ = 9519979680.

The previous prime is 20112403397. The next prime is 20112403463. The reversal of 20112403412 is 21430421102.

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, 9143 + ... + 200769.

It is an arithmetic number, because the mean of its divisors is an integer number (1544841060).

Almost surely, 2^20112403412 is an apocalyptic number.

It is an amenable number.

20112403412 is a deficient number, since it is larger than the sum of its proper divisors (16963782028).

20112403412 is a wasteful number, since it uses less digits than its factorization.

20112403412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193031 (or 193029 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 20112403412 its reverse (21430421102), we get a palindrome (41542824514).

The spelling of 20112403412 in words is "twenty billion, one hundred twelve million, four hundred three thousand, four hundred twelve".