12101220003 has 16 divisors (see below), whose sum is σ = 16661680640. Its totient is φ = 7807562784.

The previous prime is 12101219927. The next prime is 12101220029. The reversal of 12101220003 is 30002210121.

It is not a de Polignac number, because 12101220003 - 2³³ = 3511285411 is a prime.

It is a super-2 number, since 2×12101220003² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12101220073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 416251 + ... + 444372.

It is an arithmetic number, because the mean of its divisors is an integer number (1041355040).

Almost surely, 2^12101220003 is an apocalyptic number.

12101220003 is a deficient number, since it is larger than the sum of its proper divisors (4560460637).

12101220003 is a wasteful number, since it uses less digits than its factorization.

12101220003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 860778.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 12101220003 its reverse (30002210121), we get a palindrome (42103430124).

The spelling of 12101220003 in words is "twelve billion, one hundred one million, two hundred twenty thousand, three".