1201303131211 has 32 divisors (see below), whose sum is σ = 1253097957888. Its totient is φ = 1150807080960.

The previous prime is 1201303131163. The next prime is 1201303131233. The reversal of 1201303131211 is 1121313031021.

It is a cyclic number.

It is not a de Polignac number, because 1201303131211 - 2²⁹ = 1200766260299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1201303131271) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 281135971 + ... + 281140243.

It is an arithmetic number, because the mean of its divisors is an integer number (39159311184).

Almost surely, 2^{1201303131211} is an apocalyptic number.

1201303131211 is a deficient number, since it is larger than the sum of its proper divisors (51794826677).

1201303131211 is a wasteful number, since it uses less digits than its factorization.

1201303131211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4951.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 1201303131211 its reverse (1121313031021), we get a palindrome (2322616162232).

The spelling of 1201303131211 in words is "one trillion, two hundred one billion, three hundred three million, one hundred thirty-one thousand, two hundred eleven".