1202123220211 has 8 divisors (see below), whose sum is σ = 1265410388880. Its totient is φ = 1138837804128.

The previous prime is 1202123220197. The next prime is 1202123220269. The reversal of 1202123220211 is 1120223212021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1202123220211 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1202123220281) 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 7 ways as a sum of consecutive naturals, for example, 1110105 + ... + 1906981.

It is an arithmetic number, because the mean of its divisors is an integer number (158176298610).

Almost surely, 2^{1202123220211} is an apocalyptic number.

1202123220211 is a deficient number, since it is larger than the sum of its proper divisors (63287168669).

1202123220211 is an equidigital number, since it uses as much as digits as its factorization.

1202123220211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876293.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 1202123220211 its reverse (1120223212021), we get a palindrome (2322346432232).

The spelling of 1202123220211 in words is "one trillion, two hundred two billion, one hundred twenty-three million, two hundred twenty thousand, two hundred eleven".