102121001212 has 6 divisors (see below), whose sum is σ = 178711752128. Its totient is φ = 51060500604.

The previous prime is 102121001201. The next prime is 102121001237. The reversal of 102121001212 is 212100121201.

It is a junction number, because it is equal to n+sod(n) for n = 102121001192 and 102121001201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12765125148 + ... + 12765125155.

Almost surely, 2^102121001212 is an apocalyptic number.

It is an amenable number.

102121001212 is a deficient number, since it is larger than the sum of its proper divisors (76590750916).

102121001212 is a wasteful number, since it uses less digits than its factorization.

102121001212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25530250307 (or 25530250305 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 102121001212 its reverse (212100121201), we get a palindrome (314221122413).

The spelling of 102121001212 in words is "one hundred two billion, one hundred twenty-one million, one thousand, two hundred twelve".