101023121212 has 36 divisors (see below), whose sum is σ = 191621408160. Its totient is φ = 46580856192.

The previous prime is 101023121179. The next prime is 101023121233. The reversal of 101023121212 is 212121320101.

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, 630448 + ... + 774280.

Almost surely, 2^101023121212 is an apocalyptic number.

It is an amenable number.

101023121212 is a deficient number, since it is larger than the sum of its proper divisors (90598286948).

101023121212 is a wasteful number, since it uses less digits than its factorization.

101023121212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144902 (or 144887 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 101023121212 its reverse (212121320101), we get a palindrome (313144441313).

The spelling of 101023121212 in words is "one hundred one billion, twenty-three million, one hundred twenty-one thousand, two hundred twelve".