121212011122010 has 8 divisors (see below), whose sum is σ = 218181620019636. Its totient is φ = 48484804448800.

The previous prime is 121212011121997. The next prime is 121212011122031. The reversal of 121212011122010 is 10221110212121.

It can be written as a sum of positive squares in 2 ways, for example, as 107844673359241 + 13367337762769 = 10384829^2 + 3656137^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 121212011122010.

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, 6060600556091 + ... + 6060600556110.

Almost surely, 2^{121212011122010} is an apocalyptic number.

121212011122010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121212011122010 is a deficient number, since it is larger than the sum of its proper divisors (96969608897626).

121212011122010 is a wasteful number, since it uses less digits than its factorization.

121212011122010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12121201112208.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 121212011122010 its reverse (10221110212121), we get a palindrome (131433121334131).

The spelling of 121212011122010 in words is "one hundred twenty-one trillion, two hundred twelve billion, eleven million, one hundred twenty-two thousand, ten".