1203212073 has 24 divisors (see below), whose sum is σ = 1856045248. Its totient is φ = 679184352.

The previous prime is 1203212071. The next prime is 1203212089. The reversal of 1203212073 is 3702123021.

It is not a de Polignac number, because 1203212073 - 2¹ = 1203212071 is a prime.

It is a super-2 number, since 2×1203212073² = 2895438585225914658, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1203212071) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 140511 + ... + 148827.

Almost surely, 2^1203212073 is an apocalyptic number.

It is an amenable number.

1203212073 is a deficient number, since it is larger than the sum of its proper divisors (652833175).

1203212073 is an frugal number, since it uses more digits than its factorization.

1203212073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8493 (or 8410 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 1203212073 is about 34687.3474483132. The cubic root of 1203212073 is about 1063.6058735979.

Adding to 1203212073 its reverse (3702123021), we get a palindrome (4905335094).

The spelling of 1203212073 in words is "one billion, two hundred three million, two hundred twelve thousand, seventy-three".