1211434200122 has 16 divisors (see below), whose sum is σ = 1818444349440. Its totient is φ = 605286168528.

The previous prime is 1211434200113. The next prime is 1211434200187. The reversal of 1211434200122 is 2210024341121.

It is a super-3 number, since 3×1211434200122³ (a number of 37 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43804103 + ... + 43831749.

It is an arithmetic number, because the mean of its divisors is an integer number (113652771840).

Almost surely, 2^{1211434200122} is an apocalyptic number.

1211434200122 is a deficient number, since it is larger than the sum of its proper divisors (607010149318).

1211434200122 is a wasteful number, since it uses less digits than its factorization.

1211434200122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42445.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 1211434200122 its reverse (2210024341121), we get a palindrome (3421458541243).

The spelling of 1211434200122 in words is "one trillion, two hundred eleven billion, four hundred thirty-four million, two hundred thousand, one hundred twenty-two".