1212001021119 has 8 divisors (see below), whose sum is σ = 1846858698880. Its totient is φ = 692572012056.

The previous prime is 1212001021117. The next prime is 1212001021157. The reversal of 1212001021119 is 9111201002121.

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

It is not a de Polignac number, because 1212001021119 - 2¹ = 1212001021117 is a prime.

It is a super-2 number, since 2×1212001021119² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 57714334339 = 1212001021119 / (1 + 2 + 1 + 2 + 0 + 0 + 1 + 0 + 2 + 1 + 1 + 1 + 9).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1212001021095 and 1212001021104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212001021117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28857167149 + ... + 28857167190.

It is an arithmetic number, because the mean of its divisors is an integer number (230857337360).

Almost surely, 2^{1212001021119} is an apocalyptic number.

1212001021119 is a deficient number, since it is larger than the sum of its proper divisors (634857677761).

1212001021119 is an equidigital number, since it uses as much as digits as its factorization.

1212001021119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57714334349.

The product of its (nonzero) digits is 72, while the sum is 21.

The spelling of 1212001021119 in words is "one trillion, two hundred twelve billion, one million, twenty-one thousand, one hundred nineteen".