1211343140210 has 32 divisors (see below), whose sum is σ = 2492368728192. Its totient is φ = 415240508160.

The previous prime is 1211343140207. The next prime is 1211343140213. The reversal of 1211343140210 is 120413431121.

It is an interprime number because it is at equal distance from previous prime (1211343140207) and next prime (1211343140213).

It is not an unprimeable number, because it can be changed into a prime (1211343140213) 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, 1226876 + ... + 1981895.

It is an arithmetic number, because the mean of its divisors is an integer number (77886522756).

Almost surely, 2^{1211343140210} is an apocalyptic number.

1211343140210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1211343140210 is an abundant number, since it is smaller than the sum of its proper divisors (1281025587982).

1211343140210 is a wasteful number, since it uses less digits than its factorization.

1211343140210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3214178.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 1211343140210 its reverse (120413431121), we get a palindrome (1331756571331).

The spelling of 1211343140210 in words is "one trillion, two hundred eleven billion, three hundred forty-three million, one hundred forty thousand, two hundred ten".