1210020003231 has 32 divisors (see below), whose sum is σ = 1767158500800. Its totient is φ = 732004798464.

The previous prime is 1210020003217. The next prime is 1210020003277. The reversal of 1210020003231 is 1323000200121.

It is not a de Polignac number, because 1210020003231 - 2¹⁸ = 1210019741087 is a prime.

It is a super-2 number, since 2×1210020003231² (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 1210020003231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210020005231) 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, 509680 + ... + 1637013.

It is an arithmetic number, because the mean of its divisors is an integer number (55223703150).

Almost surely, 2^{1210020003231} is an apocalyptic number.

1210020003231 is a deficient number, since it is larger than the sum of its proper divisors (557138497569).

1210020003231 is a wasteful number, since it uses less digits than its factorization.

1210020003231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2146955.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 1210020003231 its reverse (1323000200121), we get a palindrome (2533020203352).

The spelling of 1210020003231 in words is "one trillion, two hundred ten billion, twenty million, three thousand, two hundred thirty-one".