1201211203413 has 16 divisors (see below), whose sum is σ = 1761514304256. Its totient is φ = 723479087040.

The previous prime is 1201211203369. The next prime is 1201211203417. The reversal of 1201211203413 is 3143021121021.

It is not a de Polignac number, because 1201211203413 - 2⁶ = 1201211203349 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1201211203413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201211203417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 327660798 + ... + 327664463.

It is an arithmetic number, because the mean of its divisors is an integer number (110094644016).

Almost surely, 2^{1201211203413} is an apocalyptic number.

1201211203413 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1201211203413 is a deficient number, since it is larger than the sum of its proper divisors (560303100843).

1201211203413 is a wasteful number, since it uses less digits than its factorization.

1201211203413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655325324.

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

Adding to 1201211203413 its reverse (3143021121021), we get a palindrome (4344232324434).

The spelling of 1201211203413 in words is "one trillion, two hundred one billion, two hundred eleven million, two hundred three thousand, four hundred thirteen".