1242031211052 has 36 divisors (see below), whose sum is σ = 2970481594248. Its totient is φ = 403912582400.

The previous prime is 1242031211039. The next prime is 1242031211053. The reversal of 1242031211052 is 2501121302421.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1242031211053) 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, 30765849 + ... + 30806192.

It is an arithmetic number, because the mean of its divisors is an integer number (82513377618).

Almost surely, 2^{1242031211052} is an apocalyptic number.

1242031211052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1242031211052 is an abundant number, since it is smaller than the sum of its proper divisors (1728450383196).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1242031211052 is a wasteful number, since it uses less digits than its factorization.

1242031211052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61572130 (or 61572087 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

Adding to 1242031211052 its reverse (2501121302421), we get a palindrome (3743152513473).

The spelling of 1242031211052 in words is "one trillion, two hundred forty-two billion, thirty-one million, two hundred eleven thousand, fifty-two".