1210200120031 has 8 divisors (see below), whose sum is σ = 1383092941824. Its totient is φ = 1037309070840.

The previous prime is 1210200120011. The next prime is 1210200120043. The reversal of 1210200120031 is 1300210020121.

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

It is not a de Polignac number, because 1210200120031 - 2⁷ = 1210200119903 is a prime.

It is a super-2 number, since 2×1210200120031² (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 = 1210200119993 and 1210200120020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210200120011) 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, 1730886 + ... + 2327308.

It is an arithmetic number, because the mean of its divisors is an integer number (172886617728).

Almost surely, 2^{1210200120031} is an apocalyptic number.

1210200120031 is a deficient number, since it is larger than the sum of its proper divisors (172892821793).

1210200120031 is an equidigital number, since it uses as much as digits as its factorization.

1210200120031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 886301.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 1210200120031 its reverse (1300210020121), we get a palindrome (2510410140152).

The spelling of 1210200120031 in words is "one trillion, two hundred ten billion, two hundred million, one hundred twenty thousand, thirty-one".