1212114442 has 32 divisors (see below), whose sum is σ = 2284153344. Its totient is φ = 468639600.

The previous prime is 1212114439. The next prime is 1212114499. The reversal of 1212114442 is 2444112121.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9868 + ... + 50215.

It is an arithmetic number, because the mean of its divisors is an integer number (71379792).

Almost surely, 2^1212114442 is an apocalyptic number.

1212114442 is a deficient number, since it is larger than the sum of its proper divisors (1072038902).

1212114442 is a wasteful number, since it uses less digits than its factorization.

1212114442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60234.

The product of its digits is 512, while the sum is 22.

The square root of 1212114442 is about 34815.4339625402. The cubic root of 1212114442 is about 1066.2225791786. Note that the first 3 decimals are identical.

Adding to 1212114442 its reverse (2444112121), we get a palindrome (3656226563).

The spelling of 1212114442 in words is "one billion, two hundred twelve million, one hundred fourteen thousand, four hundred forty-two".