102020011001212 has 6 divisors (see below), whose sum is σ = 178535019252128. Its totient is φ = 51010005500604.

The previous prime is 102020011001179. The next prime is 102020011001263. The reversal of 102020011001212 is 212100110020201.

It is a junction number, because it is equal to n+sod(n) for n = 102020011001192 and 102020011001201.

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, 12752501375148 + ... + 12752501375155.

Almost surely, 2^{102020011001212} is an apocalyptic number.

It is an amenable number.

102020011001212 is a deficient number, since it is larger than the sum of its proper divisors (76515008250916).

102020011001212 is a wasteful number, since it uses less digits than its factorization.

102020011001212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25505002750307 (or 25505002750305 counting only the distinct ones).

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

Adding to 102020011001212 its reverse (212100110020201), we get a palindrome (314120121021413).

The spelling of 102020011001212 in words is "one hundred two trillion, twenty billion, eleven million, one thousand, two hundred twelve".