1202243013240 has 64 divisors (see below), whose sum is σ = 3607057591200. Its totient is φ = 320568932352.

The previous prime is 1202243013187. The next prime is 1202243013263. The reversal of 1202243013240 is 423103422021.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1202243013240.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 882796 + ... + 1784324.

Almost surely, 2^{1202243013240} is an apocalyptic number.

1202243013240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1202243013240 is an abundant number, since it is smaller than the sum of its proper divisors (2404814577960).

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

1202243013240 is a wasteful number, since it uses less digits than its factorization.

1202243013240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 912656 (or 912652 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 1202243013240 its reverse (423103422021), we get a palindrome (1625346435261).

The spelling of 1202243013240 in words is "one trillion, two hundred two billion, two hundred forty-three million, thirteen thousand, two hundred forty".