1211000512 has 28 divisors (see below), whose sum is σ = 2405309896. Its totient is φ = 604938240.

The previous prime is 1211000507. The next prime is 1211000537. The reversal of 1211000512 is 2150001121.

It is a junction number, because it is equal to n+sod(n) for n = 1211000492 and 1211000501.

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, 65587 + ... + 81997.

Almost surely, 2^1211000512 is an apocalyptic number.

It is an amenable number.

1211000512 is a deficient number, since it is larger than the sum of its proper divisors (1194309384).

1211000512 is a wasteful number, since it uses less digits than its factorization.

1211000512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17576 (or 17566 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 13.

The square root of 1211000512 is about 34799.4326390532. The cubic root of 1211000512 is about 1065.8958604870.

Adding to 1211000512 its reverse (2150001121), we get a palindrome (3361001633).

The spelling of 1211000512 in words is "one billion, two hundred eleven million, five hundred twelve", and thus it is an aban number.