1201200212331 has 40 divisors (see below), whose sum is σ = 2054369332224. Its totient is φ = 685180756080.

The previous prime is 1201200212293. The next prime is 1201200212389. The reversal of 1201200212331 is 1332120021021.

1201200212331 is a `hidden beast` number, since 1 + 2 + 0 + 120 + 0 + 212 + 331 = 666.

It is not a de Polignac number, because 1201200212331 - 2²² = 1201196018027 is a prime.

It is a super-2 number, since 2×1201200212331² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1201200212831) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1562235 + ... + 2200676.

Almost surely, 2^{1201200212331} is an apocalyptic number.

1201200212331 is a deficient number, since it is larger than the sum of its proper divisors (853169119893).

1201200212331 is an equidigital number, since it uses as much as digits as its factorization.

1201200212331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3763493 (or 3763484 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1201200212331 its reverse (1332120021021), we get a palindrome (2533320233352).

The spelling of 1201200212331 in words is "one trillion, two hundred one billion, two hundred million, two hundred twelve thousand, three hundred thirty-one".