1210020201231 has 16 divisors (see below), whose sum is σ = 1704274957440. Its totient is φ = 761522839200.

The previous prime is 1210020201191. The next prime is 1210020201239. The reversal of 1210020201231 is 1321020200121.

It is not a de Polignac number, because 1210020201231 - 2¹⁴ = 1210020184847 is a prime.

It is a super-2 number, since 2×1210020201231² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1210020201231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210020201239) 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, 37489920 + ... + 37522181.

It is an arithmetic number, because the mean of its divisors is an integer number (106517184840).

Almost surely, 2^{1210020201231} is an apocalyptic number.

1210020201231 is a deficient number, since it is larger than the sum of its proper divisors (494254756209).

1210020201231 is a wasteful number, since it uses less digits than its factorization.

1210020201231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75012406.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 1210020201231 its reverse (1321020200121), we get a palindrome (2531040401352).

The spelling of 1210020201231 in words is "one trillion, two hundred ten billion, twenty million, two hundred one thousand, two hundred thirty-one".