1211402200342 has 32 divisors (see below), whose sum is σ = 1886381481600. Its totient is φ = 583061105088.

The previous prime is 1211402200321. The next prime is 1211402200361. The reversal of 1211402200342 is 2430022041121.

It is a super-3 number, since 3×1211402200342³ (a number of 37 digits) contains 333 as substring.

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 15 ways as a sum of consecutive naturals, for example, 2092009 + ... + 2607547.

It is an arithmetic number, because the mean of its divisors is an integer number (58949421300).

Almost surely, 2^{1211402200342} is an apocalyptic number.

1211402200342 is a deficient number, since it is larger than the sum of its proper divisors (674979281258).

1211402200342 is a wasteful number, since it uses less digits than its factorization.

1211402200342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515980.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 1211402200342 its reverse (2430022041121), we get a palindrome (3641424241463).

The spelling of 1211402200342 in words is "one trillion, two hundred eleven billion, four hundred two million, two hundred thousand, three hundred forty-two".