1200202001229 has 16 divisors (see below), whose sum is σ = 1995140989440. Its totient is φ = 623481558960.

The previous prime is 1200202001191. The next prime is 1200202001237. The reversal of 1200202001229 is 9221002020021.

It is a happy number.

It is not a de Polignac number, because 1200202001229 - 2⁹ = 1200202000717 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200202001249) 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, 2597839599 + ... + 2597840060.

It is an arithmetic number, because the mean of its divisors is an integer number (124696311840).

Almost surely, 2^{1200202001229} is an apocalyptic number.

It is an amenable number.

1200202001229 is a deficient number, since it is larger than the sum of its proper divisors (794938988211).

1200202001229 is a wasteful number, since it uses less digits than its factorization.

1200202001229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5195679680.

The product of its (nonzero) digits is 288, while the sum is 21.

The spelling of 1200202001229 in words is "one trillion, two hundred billion, two hundred two million, one thousand, two hundred twenty-nine".