10211212003 has 4 divisors (see below), whose sum is σ = 10211436648. Its totient is φ = 10210987360.

The previous prime is 10211212001. The next prime is 10211212091. The reversal of 10211212003 is 30021211201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30021211201 = 72689 ⋅413009.

It is a cyclic number.

It is not a de Polignac number, because 10211212003 - 2¹ = 10211212001 is a prime.

It is a super-2 number, since 2×10211212003² (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 (10211212001) 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, 17401 + ... + 143962.

It is an arithmetic number, because the mean of its divisors is an integer number (2552859162).

Almost surely, 2^10211212003 is an apocalyptic number.

10211212003 is a deficient number, since it is larger than the sum of its proper divisors (224645).

10211212003 is an equidigital number, since it uses as much as digits as its factorization.

10211212003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224644.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 10211212003 its reverse (30021211201), we get a palindrome (40232423204).

The spelling of 10211212003 in words is "ten billion, two hundred eleven million, two hundred twelve thousand, three".