1142040420312 has 32 divisors (see below), whose sum is σ = 3114655692480. Its totient is φ = 346072854560.

The previous prime is 1142040420293. The next prime is 1142040420319. The reversal of 1142040420312 is 2130240402411.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142040420319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2162955078 + ... + 2162955605.

It is an arithmetic number, because the mean of its divisors is an integer number (97332990390).

Almost surely, 2^{1142040420312} is an apocalyptic number.

1142040420312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1142040420312 is an abundant number, since it is smaller than the sum of its proper divisors (1972615272168).

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

1142040420312 is a wasteful number, since it uses less digits than its factorization.

1142040420312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4325910703 (or 4325910699 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 1142040420312 its reverse (2130240402411), we get a palindrome (3272280822723).

The spelling of 1142040420312 in words is "one trillion, one hundred forty-two billion, forty million, four hundred twenty thousand, three hundred twelve".