1212210212000 has 96 divisors (see below), whose sum is σ = 3004759137744. Its totient is φ = 480592896000.

The previous prime is 1212210211991. The next prime is 1212210212011. The reversal of 1212210212000 is 2120122121.

It can be written as a sum of positive squares in 8 ways, for example, as 154414417936 + 1057795794064 = 392956^2 + 1028492^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 888941 + ... + 1792940.

Almost surely, 2^{1212210212000} is an apocalyptic number.

1212210212000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1212210212000 is an abundant number, since it is smaller than the sum of its proper divisors (1792548925744).

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

1212210212000 is a wasteful number, since it uses less digits than its factorization.

1212210212000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2682019 (or 2682001 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1212210212000 its reverse (2120122121), we get a palindrome (1214330334121).

The spelling of 1212210212000 in words is "one trillion, two hundred twelve billion, two hundred ten million, two hundred twelve thousand".