1211420204302 has 16 divisors (see below), whose sum is σ = 2265513109632. Its totient is φ = 471981897720.

The previous prime is 1211420204279. The next prime is 1211420204327. The reversal of 1211420204302 is 2034020241121.

It is a super-3 number, since 3×1211420204302³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3933182328 + ... + 3933182635.

It is an arithmetic number, because the mean of its divisors is an integer number (141594569352).

Almost surely, 2^{1211420204302} is an apocalyptic number.

1211420204302 is a deficient number, since it is larger than the sum of its proper divisors (1054092905330).

1211420204302 is a wasteful number, since it uses less digits than its factorization.

1211420204302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7866364983.

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

Adding to 1211420204302 its reverse (2034020241121), we get a palindrome (3245440445423).

The spelling of 1211420204302 in words is "one trillion, two hundred eleven billion, four hundred twenty million, two hundred four thousand, three hundred two".