1212002126 has 8 divisors (see below), whose sum is σ = 1818822600. Its totient is φ = 605727928.

The previous prime is 1212002117. The next prime is 1212002149. The reversal of 1212002126 is 6212002121.

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

It is a congruent number.

It is an unprimeable number.

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, 130976 + ... + 139923.

It is an arithmetic number, because the mean of its divisors is an integer number (227352825).

Almost surely, 2^1212002126 is an apocalyptic number.

1212002126 is a deficient number, since it is larger than the sum of its proper divisors (606820474).

1212002126 is a wasteful number, since it uses less digits than its factorization.

1212002126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273138.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1212002126 is about 34813.8209049222. The cubic root of 1212002126 is about 1066.1896456673.

Adding to 1212002126 its reverse (6212002121), we get a palindrome (7424004247).

The spelling of 1212002126 in words is "one billion, two hundred twelve million, two thousand, one hundred twenty-six".