240143311133212 has 36 divisors (see below), whose sum is σ = 438059885704896. Its totient is φ = 115070236148160.

The previous prime is 240143311133207. The next prime is 240143311133269. The reversal of 240143311133212 is 212331113341042.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 89957913 + ... + 92588944.

Almost surely, 2^{240143311133212} is an apocalyptic number.

It is an amenable number.

240143311133212 is a deficient number, since it is larger than the sum of its proper divisors (197916574571684).

240143311133212 is a wasteful number, since it uses less digits than its factorization.

240143311133212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182547098 (or 182546993 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

Adding to 240143311133212 its reverse (212331113341042), we get a palindrome (452474424474254).

The spelling of 240143311133212 in words is "two hundred forty trillion, one hundred forty-three billion, three hundred eleven million, one hundred thirty-three thousand, two hundred twelve".