1201211011222 has 8 divisors (see below), whose sum is σ = 1845763261272. Its totient is φ = 585956590800.

The previous prime is 1201211011219. The next prime is 1201211011243. The reversal of 1201211011222 is 2221101121021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1201211011196 and 1201211011205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7324457304 + ... + 7324457467.

It is an arithmetic number, because the mean of its divisors is an integer number (230720407659).

Almost surely, 2^{1201211011222} is an apocalyptic number.

1201211011222 is a deficient number, since it is larger than the sum of its proper divisors (644552250050).

1201211011222 is a wasteful number, since it uses less digits than its factorization.

1201211011222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14648914814.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1201211011222 its reverse (2221101121021), we get a palindrome (3422312132243).

The spelling of 1201211011222 in words is "one trillion, two hundred one billion, two hundred eleven million, eleven thousand, two hundred twenty-two".