1240523222212 has 24 divisors (see below), whose sum is σ = 2176258724640. Its totient is φ = 618735237120.

The previous prime is 1240523222209. The next prime is 1240523222243. The reversal of 1240523222212 is 2122223250421.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39029887 + ... + 39061657.

It is an arithmetic number, because the mean of its divisors is an integer number (90677446860).

Almost surely, 2^{1240523222212} is an apocalyptic number.

It is an amenable number.

1240523222212 is a deficient number, since it is larger than the sum of its proper divisors (935735502428).

1240523222212 is a wasteful number, since it uses less digits than its factorization.

1240523222212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55491 (or 55489 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 1240523222212 its reverse (2122223250421), we get a palindrome (3362746472633).

The spelling of 1240523222212 in words is "one trillion, two hundred forty billion, five hundred twenty-three million, two hundred twenty-two thousand, two hundred twelve".