1020023013212 has 36 divisors (see below), whose sum is σ = 2185763607720. Its totient is φ = 414144680544.

The previous prime is 1020023013167. The next prime is 1020023013259. The reversal of 1020023013212 is 2123103200201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 136948883 + ... + 136956330.

It is an arithmetic number, because the mean of its divisors is an integer number (60715655770).

Almost surely, 2^{1020023013212} is an apocalyptic number.

It is an amenable number.

1020023013212 is an abundant number, since it is smaller than the sum of its proper divisors (1165740594508).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1020023013212 is a wasteful number, since it uses less digits than its factorization.

1020023013212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273905250 (or 273905241 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 1020023013212 its reverse (2123103200201), we get a palindrome (3143126213413).

The spelling of 1020023013212 in words is "one trillion, twenty billion, twenty-three million, thirteen thousand, two hundred twelve".