20121314234 has 24 divisors (see below), whose sum is σ = 35118644148. Its totient is φ = 8621208960.

The previous prime is 20121314221. The next prime is 20121314249. The reversal of 20121314234 is 43241312102.

It can be written as a sum of positive squares in 2 ways, for example, as 18768178009 + 1353136225 = 136997^2 + 36785^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 391412 + ... + 439824.

Almost surely, 2^20121314234 is an apocalyptic number.

20121314234 is a deficient number, since it is larger than the sum of its proper divisors (14997329914).

20121314234 is a wasteful number, since it uses less digits than its factorization.

20121314234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52670 (or 52663 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 20121314234 its reverse (43241312102), we get a palindrome (63362626336).

The spelling of 20121314234 in words is "twenty billion, one hundred twenty-one million, three hundred fourteen thousand, two hundred thirty-four".