1201402313421 has 8 divisors (see below), whose sum is σ = 1602435194880. Its totient is φ = 800652153792.

The previous prime is 1201402313417. The next prime is 1201402313453. The reversal of 1201402313421 is 1243132041021.

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

It is not a de Polignac number, because 1201402313421 - 2² = 1201402313417 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1201402313391 and 1201402313400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201402353421) 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, 70670541 + ... + 70687538.

It is an arithmetic number, because the mean of its divisors is an integer number (200304399360).

Almost surely, 2^{1201402313421} is an apocalyptic number.

It is an amenable number.

1201402313421 is a deficient number, since it is larger than the sum of its proper divisors (401032881459).

1201402313421 is a wasteful number, since it uses less digits than its factorization.

1201402313421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141360915.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 1201402313421 its reverse (1243132041021), we get a palindrome (2444534354442).

The spelling of 1201402313421 in words is "one trillion, two hundred one billion, four hundred two million, three hundred thirteen thousand, four hundred twenty-one".