1211342242210 has 32 divisors (see below), whose sum is σ = 2204852529600. Its totient is φ = 479134344000.

The previous prime is 1211342242193. The next prime is 1211342242237. The reversal of 1211342242210 is 122422431121.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1387105 + ... + 2084884.

It is an arithmetic number, because the mean of its divisors is an integer number (68901641550).

Almost surely, 2^{1211342242210} is an apocalyptic number.

1211342242210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1211342242210 is a deficient number, since it is larger than the sum of its proper divisors (993510287390).

1211342242210 is a wasteful number, since it uses less digits than its factorization.

1211342242210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3472386.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 1211342242210 its reverse (122422431121), we get a palindrome (1333764673331).

The spelling of 1211342242210 in words is "one trillion, two hundred eleven billion, three hundred forty-two million, two hundred forty-two thousand, two hundred ten".