1212211099967 has 8 divisors (see below), whose sum is σ = 1385600733216. Its totient is φ = 1038875621472.

The previous prime is 1212211099961. The next prime is 1212211099993. The reversal of 1212211099967 is 7699901122121.

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 1212211099967 - 2³⁸ = 937333193023 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212211099961) 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, 13490708 + ... + 13580265.

It is an arithmetic number, because the mean of its divisors is an integer number (173200091652).

Almost surely, 2^{1212211099967} is an apocalyptic number.

1212211099967 is a deficient number, since it is larger than the sum of its proper divisors (173389633249).

1212211099967 is an equidigital number, since it uses as much as digits as its factorization.

1212211099967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27077377.

The product of its (nonzero) digits is 244944, while the sum is 50.

The spelling of 1212211099967 in words is "one trillion, two hundred twelve billion, two hundred eleven million, ninety-nine thousand, nine hundred sixty-seven".