1212201402353 has 8 divisors (see below), whose sum is σ = 1280682334080. Its totient is φ = 1145499196240.

The previous prime is 1212201402329. The next prime is 1212201402431. The reversal of 1212201402353 is 3532041022121.

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 1212201402353 - 2²² = 1212197208049 is a prime.

It is a super-4 number, since 4×1212201402353⁴ (a number of 49 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1212201402323) 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, 444680003 + ... + 444682728.

It is an arithmetic number, because the mean of its divisors is an integer number (160085291760).

Almost surely, 2^{1212201402353} is an apocalyptic number.

It is an amenable number.

1212201402353 is a deficient number, since it is larger than the sum of its proper divisors (68480931727).

1212201402353 is an equidigital number, since it uses as much as digits as its factorization.

1212201402353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 889362807.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 1212201402353 its reverse (3532041022121), we get a palindrome (4744242424474).

The spelling of 1212201402353 in words is "one trillion, two hundred twelve billion, two hundred one million, four hundred two thousand, three hundred fifty-three".