1212132003 has 4 divisors (see below), whose sum is σ = 1616176008. Its totient is φ = 808088000.

The previous prime is 1212131989. The next prime is 1212132043. The reversal of 1212132003 is 3002312121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3002312121 = 3 ⋅1000770707.

It is a cyclic number.

It is not a de Polignac number, because 1212132003 - 2¹⁰ = 1212130979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1212132043) 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, 202021998 + ... + 202022003.

It is an arithmetic number, because the mean of its divisors is an integer number (404044002).

Almost surely, 2^1212132003 is an apocalyptic number.

1212132003 is a deficient number, since it is larger than the sum of its proper divisors (404044005).

1212132003 is an equidigital number, since it uses as much as digits as its factorization.

1212132003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404044004.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1212132003 is about 34815.6861629927. The cubic root of 1212132003 is about 1066.2277282646.

Adding to 1212132003 its reverse (3002312121), we get a palindrome (4214444124).

The spelling of 1212132003 in words is "one billion, two hundred twelve million, one hundred thirty-two thousand, three".