101012121212 has 48 divisors (see below), whose sum is σ = 181496972160. Its totient is φ = 49179336000.

The previous prime is 101012121181. The next prime is 101012121233. The reversal of 101012121212 is 212121210101.

101012121212 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It is an alternating number because its digits alternate between odd and even.

101012121212 is a modest number, since divided by 121212 gives 101012 as remainder.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6000287 + ... + 6017097.

It is an arithmetic number, because the mean of its divisors is an integer number (3781186920).

Almost surely, 2^101012121212 is an apocalyptic number.

It is an amenable number.

101012121212 is a deficient number, since it is larger than the sum of its proper divisors (80484850948).

101012121212 is a wasteful number, since it uses less digits than its factorization.

101012121212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17162 (or 17160 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 101012121212 its reverse (212121210101), we get a palindrome (313133331313).

It can be divided in two parts, 10101 and 2121212, that multiplied together give a palindrome (21426362412).

The spelling of 101012121212 in words is "one hundred one billion, twelve million, one hundred twenty-one thousand, two hundred twelve".