1142205013420 has 24 divisors (see below), whose sum is σ = 2502918813024. Its totient is φ = 437017570176.

The previous prime is 1142205013361. The next prime is 1142205013457. The reversal of 1142205013420 is 243105022411.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1241526729 + ... + 1241527648.

It is an arithmetic number, because the mean of its divisors is an integer number (104288283876).

Almost surely, 2^{1142205013420} is an apocalyptic number.

1142205013420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1142205013420 is an abundant number, since it is smaller than the sum of its proper divisors (1360713799604).

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

1142205013420 is a wasteful number, since it uses less digits than its factorization.

1142205013420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2483054409 (or 2483054407 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The spelling of 1142205013420 in words is "one trillion, one hundred forty-two billion, two hundred five million, thirteen thousand, four hundred twenty".