1020212313212 has 24 divisors (see below), whose sum is σ = 1819899491760. Its totient is φ = 500335433600.

The previous prime is 1020212313181. The next prime is 1020212313223. The reversal of 1020212313212 is 2123132120201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11757137 + ... + 11843592.

It is an arithmetic number, because the mean of its divisors is an integer number (75829145490).

Almost surely, 2^{1020212313212} is an apocalyptic number.

It is an amenable number.

1020212313212 is a deficient number, since it is larger than the sum of its proper divisors (799687178548).

1020212313212 is a wasteful number, since it uses less digits than its factorization.

1020212313212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23600941 (or 23600939 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1020212313212 its reverse (2123132120201), we get a palindrome (3143344433413).

The spelling of 1020212313212 in words is "one trillion, twenty billion, two hundred twelve million, three hundred thirteen thousand, two hundred twelve".