1201332413440 has 88 divisors (see below), whose sum is σ = 3033463383360. Its totient is φ = 455241719808.

The previous prime is 1201332413423. The next prime is 1201332413447. The reversal of 1201332413440 is 443142331021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1201332413399 and 1201332413408.

It is not an unprimeable number, because it can be changed into a prime (1201332413447) 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, 6077332 + ... + 6271891.

Almost surely, 2^{1201332413440} is an apocalyptic number.

1201332413440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1201332413440 is an abundant number, since it is smaller than the sum of its proper divisors (1832130969920).

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

1201332413440 is a wasteful number, since it uses less digits than its factorization.

1201332413440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12349267 (or 12349249 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 1201332413440 its reverse (443142331021), we get a palindrome (1644474744461).

The spelling of 1201332413440 in words is "one trillion, two hundred one billion, three hundred thirty-two million, four hundred thirteen thousand, four hundred forty".