1010121212 has 12 divisors (see below), whose sum is σ = 1794096360. Its totient is φ = 497522256.

The previous prime is 1010121197. The next prime is 1010121271. The reversal of 1010121212 is 2121210101.

1010121212 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.

It is a junction number, because it is equal to n+sod(n) for n = 1010121193 and 1010121202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1884287 + ... + 1884822.

It is an arithmetic number, because the mean of its divisors is an integer number (149508030).

Almost surely, 2^1010121212 is an apocalyptic number.

It is an amenable number.

1010121212 is a deficient number, since it is larger than the sum of its proper divisors (783975148).

1010121212 is a wasteful number, since it uses less digits than its factorization.

1010121212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3769180 (or 3769178 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 1010121212 is about 31782.4041255535. The cubic root of 1010121212 is about 1003.3624188015.

Adding to 1010121212 its reverse (2121210101), we get a palindrome (3131331313).

Subtracting 1010121212 from its reverse (2121210101), we obtain a square (1111088889 = 33333²).

It can be divided in two parts, 10101 and 21212, that multiplied together give a palindrome (214262412).

The spelling of 1010121212 in words is "one billion, ten million, one hundred twenty-one thousand, two hundred twelve".