121212001022102 has 16 divisors (see below), whose sum is σ = 182091069705552. Its totient is φ = 60514980664320.

The previous prime is 121212001022053. The next prime is 121212001022137. The reversal of 121212001022102 is 201220100212121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87634277 + ... + 89006687.

It is an arithmetic number, because the mean of its divisors is an integer number (11380691856597).

Almost surely, 2^{121212001022102} is an apocalyptic number.

121212001022102 is a deficient number, since it is larger than the sum of its proper divisors (60879068683450).

121212001022102 is a wasteful number, since it uses less digits than its factorization.

121212001022102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1438703.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 121212001022102 its reverse (201220100212121), we get a palindrome (322432101234223).

The spelling of 121212001022102 in words is "one hundred twenty-one trillion, two hundred twelve billion, one million, twenty-two thousand, one hundred two".