1212002119 has 4 divisors (see below), whose sum is σ = 1216285096. Its totient is φ = 1207719144.

The previous prime is 1212002117. The next prime is 1212002149. The reversal of 1212002119 is 9112002121.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1212002119 - 2¹ = 1212002117 is a prime.

It is a super-2 number, since 2×1212002119² = 2937898272920980322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1212002096 and 1212002105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212002111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2141064 + ... + 2141629.

It is an arithmetic number, because the mean of its divisors is an integer number (304071274).

Almost surely, 2^1212002119 is an apocalyptic number.

1212002119 is a deficient number, since it is larger than the sum of its proper divisors (4282977).

1212002119 is an equidigital number, since it uses as much as digits as its factorization.

1212002119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4282976.

The product of its (nonzero) digits is 72, while the sum is 19.

The square root of 1212002119 is about 34813.8208043874. The cubic root of 1212002119 is about 1066.1896436146.

It can be divided in two parts, 1212002 and 119, that added together give a palindrome (1212121).

The spelling of 1212002119 in words is "one billion, two hundred twelve million, two thousand, one hundred nineteen".