1012211021212 has 6 divisors (see below), whose sum is σ = 1771369287128. Its totient is φ = 506105510604.

The previous prime is 1012211021191. The next prime is 1012211021219. The reversal of 1012211021212 is 2121201122101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012211021219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126526377648 + ... + 126526377655.

Almost surely, 2^{1012211021212} is an apocalyptic number.

It is an amenable number.

1012211021212 is a deficient number, since it is larger than the sum of its proper divisors (759158265916).

1012211021212 is a wasteful number, since it uses less digits than its factorization.

1012211021212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253052755307 (or 253052755305 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1012211021212 its reverse (2121201122101), we get a palindrome (3133412143313).

The spelling of 1012211021212 in words is "one trillion, twelve billion, two hundred eleven million, twenty-one thousand, two hundred twelve".