1222542025412 has 12 divisors (see below), whose sum is σ = 2140176516240. Its totient is φ = 611063020776.

The previous prime is 1222542025391. The next prime is 1222542025429. The reversal of 1222542025412 is 2145202452221.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51984758 + ... + 52008269.

It is an arithmetic number, because the mean of its divisors is an integer number (178348043020).

Almost surely, 2^{1222542025412} is an apocalyptic number.

It is an amenable number.

1222542025412 is a deficient number, since it is larger than the sum of its proper divisors (917634490828).

1222542025412 is a wasteful number, since it uses less digits than its factorization.

1222542025412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103995970 (or 103995968 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 32.

Adding to 1222542025412 its reverse (2145202452221), we get a palindrome (3367744477633).

The spelling of 1222542025412 in words is "one trillion, two hundred twenty-two billion, five hundred forty-two million, twenty-five thousand, four hundred twelve".