102120001220212 has 12 divisors (see below), whose sum is σ = 178710468979840. Its totient is φ = 51059867225976.

The previous prime is 102120001220161. The next prime is 102120001220261. The reversal of 102120001220212 is 212022100021201.

It is a happy number.

It is a super-2 number, since 2×102120001220212² (a number of 29 digits) contains 22 as substring.

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, 31613412 + ... + 34693627.

Almost surely, 2^{102120001220212} is an apocalyptic number.

It is an amenable number.

102120001220212 is a deficient number, since it is larger than the sum of its proper divisors (76590467759628).

102120001220212 is a wasteful number, since it uses less digits than its factorization.

102120001220212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66692070 (or 66692068 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 102120001220212 its reverse (212022100021201), we get a palindrome (314142101241413).

The spelling of 102120001220212 in words is "one hundred two trillion, one hundred twenty billion, one million, two hundred twenty thousand, two hundred twelve".