1202212021003 has 4 divisors (see below), whose sum is σ = 1373956595440. Its totient is φ = 1030467446568.

The previous prime is 1202212021001. The next prime is 1202212021027. The reversal of 1202212021003 is 3001202122021.

It is a happy number.

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

It is not a de Polignac number, because 1202212021003 - 2¹ = 1202212021001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1202212021001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85872287208 + ... + 85872287221.

It is an arithmetic number, because the mean of its divisors is an integer number (343489148860).

Almost surely, 2^{1202212021003} is an apocalyptic number.

1202212021003 is a deficient number, since it is larger than the sum of its proper divisors (171744574437).

1202212021003 is an equidigital number, since it uses as much as digits as its factorization.

1202212021003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171744574436.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 1202212021003 its reverse (3001202122021), we get a palindrome (4203414143024).

The spelling of 1202212021003 in words is "one trillion, two hundred two billion, two hundred twelve million, twenty-one thousand, three".