1201201230421 has 8 divisors (see below), whose sum is σ = 1208267003520. Its totient is φ = 1194139403808.

The previous prime is 1201201230379. The next prime is 1201201230457. The reversal of 1201201230421 is 1240321021021.

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 1201201230421 - 2³¹ = 1199053746773 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 (1201201230461) 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, 374976 + ... + 1594681.

It is an arithmetic number, because the mean of its divisors is an integer number (151033375440).

Almost surely, 2^{1201201230421} is an apocalyptic number.

It is an amenable number.

1201201230421 is a deficient number, since it is larger than the sum of its proper divisors (7065773099).

1201201230421 is a wasteful number, since it uses less digits than its factorization.

1201201230421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1973243.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 1201201230421 its reverse (1240321021021), we get a palindrome (2441522251442).

The spelling of 1201201230421 in words is "one trillion, two hundred one billion, two hundred one million, two hundred thirty thousand, four hundred twenty-one".