1240210213143 has 12 divisors (see below), whose sum is σ = 1817608356984. Its totient is φ = 751642553200.

The previous prime is 1240210213129. The next prime is 1240210213159. The reversal of 1240210213143 is 3413120120421.

It is not a de Polignac number, because 1240210213143 - 2⁴ = 1240210213127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1240210213043) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1708278168 + ... + 1708278893.

It is an arithmetic number, because the mean of its divisors is an integer number (151467363082).

Almost surely, 2^{1240210213143} is an apocalyptic number.

1240210213143 is a deficient number, since it is larger than the sum of its proper divisors (577398143841).

1240210213143 is a wasteful number, since it uses less digits than its factorization.

1240210213143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3416557086 (or 3416557075 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 1240210213143 its reverse (3413120120421), we get a palindrome (4653330333564).

The spelling of 1240210213143 in words is "one trillion, two hundred forty billion, two hundred ten million, two hundred thirteen thousand, one hundred forty-three".