1233212205051 has 24 divisors (see below), whose sum is σ = 1928198846160. Its totient is φ = 778870860192.

The previous prime is 1233212205031. The next prime is 1233212205091. The reversal of 1233212205051 is 1505022123321.

1233212205051 is a `hidden beast` number, since 1 + 2 + 3 + 32 + 122 + 0 + 505 + 1 = 666.

It is not a de Polignac number, because 1233212205051 - 2⁵ = 1233212205019 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1233212205031) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 63251370 + ... + 63270863.

It is an arithmetic number, because the mean of its divisors is an integer number (80341618590).

Almost surely, 2^{1233212205051} is an apocalyptic number.

1233212205051 is a deficient number, since it is larger than the sum of its proper divisors (694986641109).

1233212205051 is a wasteful number, since it uses less digits than its factorization.

1233212205051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126522280 (or 126522255 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 1233212205051 its reverse (1505022123321), we get a palindrome (2738234328372).

The spelling of 1233212205051 in words is "one trillion, two hundred thirty-three billion, two hundred twelve million, two hundred five thousand, fifty-one".