1211224210232 has 32 divisors (see below), whose sum is σ = 2374613124480. Its totient is φ = 578101302240.

The previous prime is 1211224210151. The next prime is 1211224210241. The reversal of 1211224210232 is 2320124221121.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a junction number, because it is equal to n+sod(n) for n = 1211224210198 and 1211224210207.

It is a congruent number.

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, 6613058 + ... + 6793745.

It is an arithmetic number, because the mean of its divisors is an integer number (74206660140).

Almost surely, 2^{1211224210232} is an apocalyptic number.

It is an amenable number.

1211224210232 is a deficient number, since it is larger than the sum of its proper divisors (1163388914248).

1211224210232 is a wasteful number, since it uses less digits than its factorization.

1211224210232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13407323 (or 13407319 counting only the distinct ones).

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

Adding to 1211224210232 its reverse (2320124221121), we get a palindrome (3531348431353).

The spelling of 1211224210232 in words is "one trillion, two hundred eleven billion, two hundred twenty-four million, two hundred ten thousand, two hundred thirty-two".