1211122340234 has 64 divisors (see below), whose sum is σ = 2023426554912. Its totient is φ = 541281484800.

The previous prime is 1211122340227. The next prime is 1211122340249. The reversal of 1211122340234 is 4320432211121.

It is a happy number.

It can be written as a sum of positive squares in 16 ways, for example, as 100490902009 + 1110631438225 = 317003^2 + 1053865^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8174882 + ... + 8321714.

Almost surely, 2^{1211122340234} is an apocalyptic number.

1211122340234 is a deficient number, since it is larger than the sum of its proper divisors (812304214678).

1211122340234 is a wasteful number, since it uses less digits than its factorization.

1211122340234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147051.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 1211122340234 its reverse (4320432211121), we get a palindrome (5531554551355).

The spelling of 1211122340234 in words is "one trillion, two hundred eleven billion, one hundred twenty-two million, three hundred forty thousand, two hundred thirty-four".