1320122121203 has 8 divisors (see below), whose sum is σ = 1345144641408. Its totient is φ = 1295103843904.

The previous prime is 1320122121173. The next prime is 1320122121239. The reversal of 1320122121203 is 3021212210231.

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

It is a cyclic number.

It is not a de Polignac number, because 1320122121203 - 2¹² = 1320122117107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1320122121403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 429026 + ... + 1680567.

It is an arithmetic number, because the mean of its divisors is an integer number (168143080176).

Almost surely, 2^{1320122121203} is an apocalyptic number.

1320122121203 is a deficient number, since it is larger than the sum of its proper divisors (25022520205).

1320122121203 is a wasteful number, since it uses less digits than its factorization.

1320122121203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2121453.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1320122121203 its reverse (3021212210231), we get a palindrome (4341334331434).

The spelling of 1320122121203 in words is "one trillion, three hundred twenty billion, one hundred twenty-two million, one hundred twenty-one thousand, two hundred three".