1212199340653 has 8 divisors (see below), whose sum is σ = 1394545316480. Its totient is φ = 1032147025200.

The previous prime is 1212199340633. The next prime is 1212199340659. The reversal of 1212199340653 is 3560439912121.

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 1212199340653 - 2²¹ = 1212197243501 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 (1212199340659) 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, 573413958 + ... + 573416071.

It is an arithmetic number, because the mean of its divisors is an integer number (174318164560).

Almost surely, 2^{1212199340653} is an apocalyptic number.

It is an amenable number.

1212199340653 is a deficient number, since it is larger than the sum of its proper divisors (182345975827).

1212199340653 is a wasteful number, since it uses less digits than its factorization.

1212199340653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1146830187.

The product of its (nonzero) digits is 349920, while the sum is 46.

The spelling of 1212199340653 in words is "one trillion, two hundred twelve billion, one hundred ninety-nine million, three hundred forty thousand, six hundred fifty-three".