202112121003 has 8 divisors (see below), whose sum is σ = 290212276368. Its totient is φ = 124376689824.

The previous prime is 202112120939. The next prime is 202112121017. The reversal of 202112121003 is 300121211202.

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

It is not a de Polignac number, because 202112121003 - 2⁶ = 202112120939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (202112121053) 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, 2591181000 + ... + 2591181077.

It is an arithmetic number, because the mean of its divisors is an integer number (36276534546).

Almost surely, 2^202112121003 is an apocalyptic number.

202112121003 is a deficient number, since it is larger than the sum of its proper divisors (88100155365).

202112121003 is a wasteful number, since it uses less digits than its factorization.

202112121003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5182362093.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 202112121003 its reverse (300121211202), we get a palindrome (502233332205).

The spelling of 202112121003 in words is "two hundred two billion, one hundred twelve million, one hundred twenty-one thousand, three".