1212233311201 has 16 divisors (see below), whose sum is σ = 1330694080128. Its totient is φ = 1095152198400.

The previous prime is 1212233311187. The next prime is 1212233311273. The reversal of 1212233311201 is 1021133322121.

It is a cyclic number.

It is not a de Polignac number, because 1212233311201 - 2¹¹ = 1212233309153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1212233311001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7304521 + ... + 7468633.

It is an arithmetic number, because the mean of its divisors is an integer number (83168380008).

Almost surely, 2^{1212233311201} is an apocalyptic number.

1212233311201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1212233311201 is a deficient number, since it is larger than the sum of its proper divisors (118460768927).

1212233311201 is a wasteful number, since it uses less digits than its factorization.

1212233311201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168312.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 1212233311201 its reverse (1021133322121), we get a palindrome (2233366633322).

The spelling of 1212233311201 in words is "one trillion, two hundred twelve billion, two hundred thirty-three million, three hundred eleven thousand, two hundred one".