20120212121102 has 8 divisors (see below), whose sum is σ = 30238024336536. Its totient is φ = 10040870675592.

The previous prime is 20120212121077. The next prime is 20120212121117. The reversal of 20120212121102 is 20112121202102.

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

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, 9617691173 + ... + 9617693264.

It is an arithmetic number, because the mean of its divisors is an integer number (3779753042067).

Almost surely, 2^{20120212121102} is an apocalyptic number.

20120212121102 is a deficient number, since it is larger than the sum of its proper divisors (10117812215434).

20120212121102 is a wasteful number, since it uses less digits than its factorization.

20120212121102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19235384962.

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

Adding to 20120212121102 its reverse (20112121202102), we get a palindrome (40232333323204).

The spelling of 20120212121102 in words is "twenty trillion, one hundred twenty billion, two hundred twelve million, one hundred twenty-one thousand, one hundred two".