1213241042 has 64 divisors (see below), whose sum is σ = 2083656960. Its totient is φ = 525907200.

The previous prime is 1213241041. The next prime is 1213241069. The reversal of 1213241042 is 2401423121.

It is not an unprimeable number, because it can be changed into a prime (1213241041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7012868 + ... + 7013040.

It is an arithmetic number, because the mean of its divisors is an integer number (32557140).

Almost surely, 2^1213241042 is an apocalyptic number.

1213241042 is a deficient number, since it is larger than the sum of its proper divisors (870415918).

1213241042 is a wasteful number, since it uses less digits than its factorization.

1213241042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419.

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

The square root of 1213241042 is about 34831.6098106303. The cubic root of 1213241042 is about 1066.5528104820.

Adding to 1213241042 its reverse (2401423121), we get a palindrome (3614664163).

The spelling of 1213241042 in words is "one billion, two hundred thirteen million, two hundred forty-one thousand, forty-two".