1212210112001 has 8 divisors (see below), whose sum is σ = 1386652822464. Its totient is φ = 1038084860880.

The previous prime is 1212210111943. The next prime is 1212210112073. The reversal of 1212210112001 is 1002110122121.

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 1212210112001 - 2³⁴ = 1195030242817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1212215112001) 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, 79356650 + ... + 79371923.

It is an arithmetic number, because the mean of its divisors is an integer number (173331602808).

Almost surely, 2^{1212210112001} is an apocalyptic number.

It is an amenable number.

1212210112001 is a deficient number, since it is larger than the sum of its proper divisors (174442710463).

1212210112001 is a wasteful number, since it uses less digits than its factorization.

1212210112001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158729671.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1212210112001 its reverse (1002110122121), we get a palindrome (2214320234122).

The spelling of 1212210112001 in words is "one trillion, two hundred twelve billion, two hundred ten million, one hundred twelve thousand, one".