1201342243040 has 48 divisors (see below), whose sum is σ = 2841407608032. Its totient is φ = 479988908544.

The previous prime is 1201342243009. The next prime is 1201342243061. The reversal of 1201342243040 is 403422431021.

It is a congruent number.

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, 4140404 + ... + 4421043.

It is an arithmetic number, because the mean of its divisors is an integer number (59195991834).

Almost surely, 2^{1201342243040} is an apocalyptic number.

1201342243040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1201342243040 is an abundant number, since it is smaller than the sum of its proper divisors (1640065364992).

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

1201342243040 is an equidigital number, since it uses as much as digits as its factorization.

1201342243040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8562339 (or 8562331 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 1201342243040 its reverse (403422431021), we get a palindrome (1604764674061).

The spelling of 1201342243040 in words is "one trillion, two hundred one billion, three hundred forty-two million, two hundred forty-three thousand, forty".