1212413442 has 16 divisors (see below), whose sum is σ = 2432026272. Its totient is φ = 402937920.

The previous prime is 1212413437. The next prime is 1212413443. The reversal of 1212413442 is 2443142121.

It is not an unprimeable number, because it can be changed into a prime (1212413443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 297784 + ... + 301827.

It is an arithmetic number, because the mean of its divisors is an integer number (152001642).

Almost surely, 2^1212413442 is an apocalyptic number.

1212413442 is an abundant number, since it is smaller than the sum of its proper divisors (1219612830).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1212413442 is a wasteful number, since it uses less digits than its factorization.

1212413442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 599953.

The product of its digits is 1536, while the sum is 24.

The square root of 1212413442 is about 34819.7277703316. The cubic root of 1212413442 is about 1066.3102426121.

Adding to 1212413442 its reverse (2443142121), we get a palindrome (3655555563).

The spelling of 1212413442 in words is "one billion, two hundred twelve million, four hundred thirteen thousand, four hundred forty-two".