121012010013212 has 12 divisors (see below), whose sum is σ = 211774667454840. Its totient is φ = 60504962168976.

The previous prime is 121012010013203. The next prime is 121012010013221. The reversal of 121012010013212 is 212310010210121.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (121012010013203) and next prime (121012010013221).

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, 260448287 + ... + 260912502.

It is an arithmetic number, because the mean of its divisors is an integer number (17647888954570).

Almost surely, 2^{121012010013212} is an apocalyptic number.

It is an amenable number.

121012010013212 is a deficient number, since it is larger than the sum of its proper divisors (90762657441628).

121012010013212 is a wasteful number, since it uses less digits than its factorization.

121012010013212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521418820 (or 521418818 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 121012010013212 its reverse (212310010210121), we get a palindrome (333322020223333).

The spelling of 121012010013212 in words is "one hundred twenty-one trillion, twelve billion, ten million, thirteen thousand, two hundred twelve".