1212135246151 has 8 divisors (see below), whose sum is σ = 1305190495440. Its totient is φ = 1121497016448.

The previous prime is 1212135246107. The next prime is 1212135246167. The reversal of 1212135246151 is 1516425312121.

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 1212135246151 - 2²¹ = 1212133148999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212135246251) 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 7 ways as a sum of consecutive naturals, for example, 604253856 + ... + 604255861.

It is an arithmetic number, because the mean of its divisors is an integer number (163148811930).

Almost surely, 2^{1212135246151} is an apocalyptic number.

1212135246151 is a deficient number, since it is larger than the sum of its proper divisors (93055249289).

1212135246151 is a wasteful number, since it uses less digits than its factorization.

1212135246151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1208509793.

The product of its digits is 14400, while the sum is 34.

The spelling of 1212135246151 in words is "one trillion, two hundred twelve billion, one hundred thirty-five million, two hundred forty-six thousand, one hundred fifty-one".