1020101001212 has 24 divisors (see below), whose sum is σ = 1864252073376. Its totient is φ = 487492288448.

The previous prime is 1020101001211. The next prime is 1020101001223. The reversal of 1020101001212 is 2121001010201.

It is a junction number, because it is equal to n+sod(n) for n = 1020101001193 and 1020101001202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020101001211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4223963 + ... + 4458930.

It is an arithmetic number, because the mean of its divisors is an integer number (77677169724).

Almost surely, 2^{1020101001212} is an apocalyptic number.

It is an amenable number.

1020101001212 is a deficient number, since it is larger than the sum of its proper divisors (844151072164).

1020101001212 is a wasteful number, since it uses less digits than its factorization.

1020101001212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8684197 (or 8684195 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1020101001212 its reverse (2121001010201), we get a palindrome (3141102011413).

The spelling of 1020101001212 in words is "one trillion, twenty billion, one hundred one million, one thousand, two hundred twelve".