1210213012 has 6 divisors (see below), whose sum is σ = 2117872778. Its totient is φ = 605106504.

The previous prime is 1210213009. The next prime is 1210213063. The reversal of 1210213012 is 2103120121.

It can be written as a sum of positive squares in only one way, i.e., 881733636 + 328479376 = 29694^2 + 18124^2 .

It is a super-2 number, since 2×1210213012² = 2929231068828224288, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1210212983 and 1210213001.

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, 151276623 + ... + 151276630.

Almost surely, 2^1210213012 is an apocalyptic number.

It is an amenable number.

1210213012 is a deficient number, since it is larger than the sum of its proper divisors (907659766).

1210213012 is a wasteful number, since it uses less digits than its factorization.

1210213012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302553257 (or 302553255 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 1210213012 is about 34788.1159593330. The cubic root of 1210213012 is about 1065.6647636937.

Adding to 1210213012 its reverse (2103120121), we get a palindrome (3313333133).

The spelling of 1210213012 in words is "one billion, two hundred ten million, two hundred thirteen thousand, twelve".