1211014430012 has 24 divisors (see below), whose sum is σ = 2145440364480. Its totient is φ = 598046408960.

The previous prime is 1211014430009. The next prime is 1211014430023. The reversal of 1211014430012 is 2100344101121.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1542713 + ... + 2191344.

It is an arithmetic number, because the mean of its divisors is an integer number (89393348520).

Almost surely, 2^{1211014430012} is an apocalyptic number.

It is an amenable number.

1211014430012 is a deficient number, since it is larger than the sum of its proper divisors (934425934468).

1211014430012 is a wasteful number, since it uses less digits than its factorization.

1211014430012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3735061 (or 3735059 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 1211014430012 its reverse (2100344101121), we get a palindrome (3311358531133).

The spelling of 1211014430012 in words is "one trillion, two hundred eleven billion, fourteen million, four hundred thirty thousand, twelve".