1023011212 has 24 divisors (see below), whose sum is σ = 1848934080. Its totient is φ = 494989440.

The previous prime is 1023011201. The next prime is 1023011219. The reversal of 1023011212 is 2121103201.

It is a junction number, because it is equal to n+sod(n) for n = 1023011192 and 1023011201.

It is not an unprimeable number, because it can be changed into a prime (1023011219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13839 + ... + 47302.

It is an arithmetic number, because the mean of its divisors is an integer number (77038920).

Almost surely, 2^1023011212 is an apocalyptic number.

It is an amenable number.

1023011212 is a deficient number, since it is larger than the sum of its proper divisors (825922868).

1023011212 is a wasteful number, since it uses less digits than its factorization.

1023011212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61281 (or 61279 counting only the distinct ones).

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

The square root of 1023011212 is about 31984.5464560622. The cubic root of 1023011212 is about 1007.6123097035.

Adding to 1023011212 its reverse (2121103201), we get a palindrome (3144114413).

The spelling of 1023011212 in words is "one billion, twenty-three million, eleven thousand, two hundred twelve".