1202112201031 has 16 divisors (see below), whose sum is σ = 1393423838208. Its totient is φ = 1015700716800.

The previous prime is 1202112200921. The next prime is 1202112201049. The reversal of 1202112201031 is 1301022112021.

It is not a de Polignac number, because 1202112201031 - 2¹¹ = 1202112198983 is a prime.

It is a super-2 number, since 2×1202112201031² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1202112200996 and 1202112201014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202112201061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2840326 + ... + 3235996.

It is an arithmetic number, because the mean of its divisors is an integer number (87088989888).

Almost surely, 2^{1202112201031} is an apocalyptic number.

1202112201031 is a deficient number, since it is larger than the sum of its proper divisors (191311637177).

1202112201031 is an equidigital number, since it uses as much as digits as its factorization.

1202112201031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401862.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1202112201031 its reverse (1301022112021), we get a palindrome (2503134313052).

The spelling of 1202112201031 in words is "one trillion, two hundred two billion, one hundred twelve million, two hundred one thousand, thirty-one".