1240201311052 has 72 divisors (see below), whose sum is σ = 2411285829120. Its totient is φ = 557688885600.

The previous prime is 1240201310969. The next prime is 1240201311053. The reversal of 1240201311052 is 2501131020421.

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

It is not an unprimeable number, because it can be changed into a prime (1240201311053) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17018349 + ... + 17091067.

It is an arithmetic number, because the mean of its divisors is an integer number (33490080960).

Almost surely, 2^{1240201311052} is an apocalyptic number.

It is an amenable number.

1240201311052 is a deficient number, since it is larger than the sum of its proper divisors (1171084518068).

1240201311052 is a wasteful number, since it uses less digits than its factorization.

1240201311052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73123 (or 73110 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 1240201311052 its reverse (2501131020421), we get a palindrome (3741332331473).

The spelling of 1240201311052 in words is "one trillion, two hundred forty billion, two hundred one million, three hundred eleven thousand, fifty-two".