1212432001 has 8 divisors (see below), whose sum is σ = 1331414208. Its totient is φ = 1094910000.

The previous prime is 1212431989. The next prime is 1212432007. The reversal of 1212432001 is 1002342121.

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

It is a cyclic number.

It is not a de Polignac number, because 1212432001 - 2⁹ = 1212431489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1212432007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 363310 + ... + 366631.

It is an arithmetic number, because the mean of its divisors is an integer number (166426776).

Almost surely, 2^1212432001 is an apocalyptic number.

1212432001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1212432001 is a deficient number, since it is larger than the sum of its proper divisors (118982207).

1212432001 is a wasteful number, since it uses less digits than its factorization.

1212432001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 730103.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1212432001 is about 34819.9942705337. The cubic root of 1212432001 is about 1066.3156834268.

Adding to 1212432001 its reverse (1002342121), we get a palindrome (2214774122).

The spelling of 1212432001 in words is "one billion, two hundred twelve million, four hundred thirty-two thousand, one".