1212112130 has 32 divisors (see below), whose sum is σ = 2274877440. Its totient is φ = 464425920.

The previous prime is 1212112129. The next prime is 1212112177. The reversal of 1212112130 is 312112121.

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, 20375 + ... + 53285.

It is an arithmetic number, because the mean of its divisors is an integer number (71089920).

Almost surely, 2^1212112130 is an apocalyptic number.

1212112130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1212112130 is a deficient number, since it is larger than the sum of its proper divisors (1062765310).

1212112130 is a wasteful number, since it uses less digits than its factorization.

1212112130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33074.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 1212112130 is about 34815.4007588596. The cubic root of 1212112130 is about 1066.2219012701.

Adding to 1212112130 its reverse (312112121), we get a palindrome (1524224251).

Subtracting from 1212112130 its reverse (312112121), we obtain a palindrome (900000009).

The spelling of 1212112130 in words is "one billion, two hundred twelve million, one hundred twelve thousand, one hundred thirty".