20130034012 has 24 divisors (see below), whose sum is σ = 39247729920. Its totient is φ = 8955333360.

The previous prime is 20130034009. The next prime is 20130034021. The reversal of 20130034012 is 21043003102.

It is a happy number.

It is a super-2 number, since 2×20130034012² (a number of 21 digits) contains 22 as substring.

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, 4864962 + ... + 4869097.

It is an arithmetic number, because the mean of its divisors is an integer number (1635322080).

Almost surely, 2^20130034012 is an apocalyptic number.

20130034012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20130034012 is a deficient number, since it is larger than the sum of its proper divisors (19117695908).

20130034012 is a wasteful number, since it uses less digits than its factorization.

20130034012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9734121 (or 9734119 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 20130034012 its reverse (21043003102), we get a palindrome (41173037114).

The spelling of 20130034012 in words is "twenty billion, one hundred thirty million, thirty-four thousand, twelve".