1211402321014 has 8 divisors (see below), whose sum is σ = 1819466427240. Its totient is φ = 604913511936.

The previous prime is 1211402320979. The next prime is 1211402321029. The reversal of 1211402321014 is 4101232041121.

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

It is a super-3 number, since 3×1211402321014³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 393822364 + ... + 393825439.

It is an arithmetic number, because the mean of its divisors is an integer number (227433303405).

Almost surely, 2^{1211402321014} is an apocalyptic number.

1211402321014 is a deficient number, since it is larger than the sum of its proper divisors (608064106226).

1211402321014 is an equidigital number, since it uses as much as digits as its factorization.

1211402321014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 787648574.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 1211402321014 its reverse (4101232041121), we get a palindrome (5312634362135).

The spelling of 1211402321014 in words is "one trillion, two hundred eleven billion, four hundred two million, three hundred twenty-one thousand, fourteen".