20120212130 has 32 divisors (see below), whose sum is σ = 39238556544. Its totient is φ = 7398510336.

The previous prime is 20120212117. The next prime is 20120212139. The reversal of 20120212130 is 3121202102.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20120212139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1368902 + ... + 1383521.

It is an arithmetic number, because the mean of its divisors is an integer number (1226204892).

Almost surely, 2^20120212130 is an apocalyptic number.

20120212130 is a deficient number, since it is larger than the sum of its proper divisors (19118344414).

20120212130 is a wasteful number, since it uses less digits than its factorization.

20120212130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2752490.

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

Adding to 20120212130 its reverse (3121202102), we get a palindrome (23241414232).

The spelling of 20120212130 in words is "twenty billion, one hundred twenty million, two hundred twelve thousand, one hundred thirty".