1211214204412 has 6 divisors (see below), whose sum is σ = 2119624857728. Its totient is φ = 605607102204.

The previous prime is 1211214204371. The next prime is 1211214204433. The reversal of 1211214204412 is 2144024121121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 151401775548 + ... + 151401775555.

Almost surely, 2^{1211214204412} is an apocalyptic number.

It is an amenable number.

1211214204412 is a deficient number, since it is larger than the sum of its proper divisors (908410653316).

1211214204412 is a wasteful number, since it uses less digits than its factorization.

1211214204412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302803551107 (or 302803551105 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 25.

Adding to 1211214204412 its reverse (2144024121121), we get a palindrome (3355238325533).

The spelling of 1211214204412 in words is "one trillion, two hundred eleven billion, two hundred fourteen million, two hundred four thousand, four hundred twelve".