1212023413 has 8 divisors (see below), whose sum is σ = 1244263328. Its totient is φ = 1179967824.

The previous prime is 1212023411. The next prime is 1212023431. The reversal of 1212023413 is 3143202121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1212023413 - 2¹ = 1212023411 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 (1212023411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32706 + ... + 59107.

It is an arithmetic number, because the mean of its divisors is an integer number (155532916).

Almost surely, 2^1212023413 is an apocalyptic number.

It is an amenable number.

1212023413 is a deficient number, since it is larger than the sum of its proper divisors (32239915).

1212023413 is an equidigital number, since it uses as much as digits as its factorization.

1212023413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92163.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1212023413 is about 34814.1266298610. The cubic root of 1212023413 is about 1066.1958876382.

Adding to 1212023413 its reverse (3143202121), we get a palindrome (4355225534).

The spelling of 1212023413 in words is "one billion, two hundred twelve million, twenty-three thousand, four hundred thirteen".