1230011402240 has 96 divisors (see below), whose sum is σ = 2981734905240. Its totient is φ = 486931955712.

The previous prime is 1230011402231. The next prime is 1230011402267. The reversal of 1230011402240 is 422041100321.

It can be written as a sum of positive squares in 4 ways, for example, as 900039279616 + 329972122624 = 948704^2 + 574432^2 .

It is a super-2 number, since 2×1230011402240² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 374114 + ... + 1612446.

Almost surely, 2^{1230011402240} is an apocalyptic number.

1230011402240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1230011402240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1490867452620).

1230011402240 is an abundant number, since it is smaller than the sum of its proper divisors (1751723503000).

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

1230011402240 is an equidigital number, since it uses as much as digits as its factorization.

1230011402240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1238457 (or 1238437 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 1230011402240 its reverse (422041100321), we get a palindrome (1652052502561).

The spelling of 1230011402240 in words is "one trillion, two hundred thirty billion, eleven million, four hundred two thousand, two hundred forty".