1212144352001 has 8 divisors (see below), whose sum is σ = 1335177539904. Its totient is φ = 1091250871920.

The previous prime is 1212144351991. The next prime is 1212144352033. The reversal of 1212144352001 is 1002534412121.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-1212144352001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1212144358001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 534925766 + ... + 534928031.

It is an arithmetic number, because the mean of its divisors is an integer number (166897192488).

Almost surely, 2^{1212144352001} is an apocalyptic number.

1212144352001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1212144352001 is a deficient number, since it is larger than the sum of its proper divisors (123033187903).

1212144352001 is a wasteful number, since it uses less digits than its factorization.

1212144352001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1069853911.

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 1212144352001 its reverse (1002534412121), we get a palindrome (2214678764122).

The spelling of 1212144352001 in words is "one trillion, two hundred twelve billion, one hundred forty-four million, three hundred fifty-two thousand, one".