1021031212 has 12 divisors (see below), whose sum is σ = 1787292640. Its totient is φ = 510376176.

The previous prime is 1021031171. The next prime is 1021031227. The reversal of 1021031212 is 2121301201.

It is a junction number, because it is equal to n+sod(n) for n = 1021031192 and 1021031201.

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, 17412 + ... + 48427.

Almost surely, 2^1021031212 is an apocalyptic number.

It is an amenable number.

1021031212 is a deficient number, since it is larger than the sum of its proper divisors (766261428).

1021031212 is a wasteful number, since it uses less digits than its factorization.

1021031212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69720 (or 69718 counting only the distinct ones).

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

The square root of 1021031212 is about 31953.5790170679. The cubic root of 1021031212 is about 1006.9618245263.

Adding to 1021031212 its reverse (2121301201), we get a palindrome (3142332413).

The spelling of 1021031212 in words is "one billion, twenty-one million, thirty-one thousand, two hundred twelve".