1200421410240 has 112 divisors (see below), whose sum is σ = 4104517864608. Its totient is φ = 295488344064.

The previous prime is 1200421410217. The next prime is 1200421410247. The reversal of 1200421410240 is 420141240021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200421410247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48081327 + ... + 48106286.

It is an arithmetic number, because the mean of its divisors is an integer number (36647480934).

Almost surely, 2^{1200421410240} is an apocalyptic number.

1200421410240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1200421410240 is an abundant number, since it is smaller than the sum of its proper divisors (2904096454368).

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

1200421410240 is a wasteful number, since it uses less digits than its factorization.

1200421410240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96187646 (or 96187636 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 1200421410240 its reverse (420141240021), we get a palindrome (1620562650261).

The spelling of 1200421410240 in words is "one trillion, two hundred billion, four hundred twenty-one million, four hundred ten thousand, two hundred forty".