1212130213 has 16 divisors (see below), whose sum is σ = 1459169920. Its totient is φ = 983632896.

The previous prime is 1212130211. The next prime is 1212130229. The reversal of 1212130213 is 3120312121.

It is a cyclic number.

It is not a de Polignac number, because 1212130213 - 2¹ = 1212130211 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212130211) 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, 375181 + ... + 378397.

It is an arithmetic number, because the mean of its divisors is an integer number (91198120).

Almost surely, 2^1212130213 is an apocalyptic number.

It is an amenable number.

1212130213 is a deficient number, since it is larger than the sum of its proper divisors (247039707).

1212130213 is a wasteful number, since it uses less digits than its factorization.

1212130213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6076.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1212130213 is about 34815.6604561798. The cubic root of 1212130213 is about 1066.2272034184.

Adding to 1212130213 its reverse (3120312121), we get a palindrome (4332442334).

The spelling of 1212130213 in words is "one billion, two hundred twelve million, one hundred thirty thousand, two hundred thirteen".