1201211013224 has 8 divisors (see below), whose sum is σ = 2252270649810. Its totient is φ = 600605506608.

The previous prime is 1201211013181. The next prime is 1201211013229. The reversal of 1201211013224 is 4223101121021.

It can be written as a sum of positive squares in only one way, i.e., 633644656324 + 567566356900 = 796018^2 + 753370^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 1201211013196 and 1201211013205.

It is not an unprimeable number, because it can be changed into a prime (1201211013229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75075688319 + ... + 75075688334.

Almost surely, 2^{1201211013224} is an apocalyptic number.

It is an amenable number.

1201211013224 is a deficient number, since it is larger than the sum of its proper divisors (1051059636586).

1201211013224 is a wasteful number, since it uses less digits than its factorization.

1201211013224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150151376659 (or 150151376655 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 1201211013224 its reverse (4223101121021), we get a palindrome (5424312134245).

The spelling of 1201211013224 in words is "one trillion, two hundred one billion, two hundred eleven million, thirteen thousand, two hundred twenty-four".