20130115412 has 48 divisors (see below), whose sum is σ = 41357977920. Its totient is φ = 8470617600.

The previous prime is 20130115409. The next prime is 20130115427. The reversal of 20130115412 is 21451103102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 174962 + ... + 266217.

It is an arithmetic number, because the mean of its divisors is an integer number (861624540).

Almost surely, 2^20130115412 is an apocalyptic number.

20130115412 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20130115412 is an abundant number, since it is smaller than the sum of its proper divisors (21227862508).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20130115412 is a wasteful number, since it uses less digits than its factorization.

20130115412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441272 (or 441270 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

Adding to 20130115412 its reverse (21451103102), we get a palindrome (41581218514).

The spelling of 20130115412 in words is "twenty billion, one hundred thirty million, one hundred fifteen thousand, four hundred twelve".