1200332142421 has 8 divisors (see below), whose sum is σ = 1247966585600. Its totient is φ = 1153254827520.

The previous prime is 1200332142413. The next prime is 1200332142433. The reversal of 1200332142421 is 1242412330021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1200332142421 - 2³ = 1200332142413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200332142481) 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, 139277676 + ... + 139286293.

It is an arithmetic number, because the mean of its divisors is an integer number (155995823200).

Almost surely, 2^{1200332142421} is an apocalyptic number.

It is an amenable number.

1200332142421 is a deficient number, since it is larger than the sum of its proper divisors (47634443179).

1200332142421 is a wasteful number, since it uses less digits than its factorization.

1200332142421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278564139.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 1200332142421 its reverse (1242412330021), we get a palindrome (2442744472442).

The spelling of 1200332142421 in words is "one trillion, two hundred billion, three hundred thirty-two million, one hundred forty-two thousand, four hundred twenty-one".