1212013442 has 16 divisors (see below), whose sum is σ = 1824619392. Its totient is φ = 603812160.

The previous prime is 1212013427. The next prime is 1212013483. The reversal of 1212013442 is 2443102121.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1232483 + ... + 1233465.

It is an arithmetic number, because the mean of its divisors is an integer number (114038712).

Almost surely, 2^1212013442 is an apocalyptic number.

1212013442 is a deficient number, since it is larger than the sum of its proper divisors (612605950).

1212013442 is an equidigital number, since it uses as much as digits as its factorization.

1212013442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2593.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1212013442 is about 34813.9834262039. The cubic root of 1212013442 is about 1066.1929638585.

Adding to 1212013442 its reverse (2443102121), we get a palindrome (3655115563).

The spelling of 1212013442 in words is "one billion, two hundred twelve million, thirteen thousand, four hundred forty-two".