1212013201033 has 4 divisors (see below), whose sum is σ = 1212134303380. Its totient is φ = 1211892098688.

The previous prime is 1212013201031. The next prime is 1212013201037. The reversal of 1212013201033 is 3301023102121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 717905427849 + 494107773184 = 847293^2 + 702928^2 .

It is a cyclic number.

It is not a de Polignac number, because 1212013201033 - 2¹ = 1212013201031 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1212013201033.

It is not an unprimeable number, because it can be changed into a prime (1212013201031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60536160 + ... + 60556177.

It is an arithmetic number, because the mean of its divisors is an integer number (303033575845).

Almost surely, 2^{1212013201033} is an apocalyptic number.

It is an amenable number.

1212013201033 is a deficient number, since it is larger than the sum of its proper divisors (121102347).

1212013201033 is a wasteful number, since it uses less digits than its factorization.

1212013201033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121102346.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1212013201033 its reverse (3301023102121), we get a palindrome (4513036303154).

The spelling of 1212013201033 in words is "one trillion, two hundred twelve billion, thirteen million, two hundred one thousand, thirty-three".