1211001233210 has 32 divisors (see below), whose sum is σ = 2250549149184. Its totient is φ = 468684936000.

The previous prime is 1211001233161. The next prime is 1211001233219. The reversal of 1211001233210 is 123321001121.

It is a super-2 number, since 2×1211001233210² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1211001233219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1259645 + ... + 2002175.

It is an arithmetic number, because the mean of its divisors is an integer number (70329660912).

Almost surely, 2^{1211001233210} is an apocalyptic number.

1211001233210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1211001233210 is a deficient number, since it is larger than the sum of its proper divisors (1039547915974).

1211001233210 is a wasteful number, since it uses less digits than its factorization.

1211001233210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 747830.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1211001233210 its reverse (123321001121), we get a palindrome (1334322234331).

The spelling of 1211001233210 in words is "one trillion, two hundred eleven billion, one million, two hundred thirty-three thousand, two hundred ten".