1011002001212 has 24 divisors (see below), whose sum is σ = 2022702129504. Its totient is φ = 433136973312.

The previous prime is 1011002001209. The next prime is 1011002001271. The reversal of 1011002001212 is 2121002001101.

It is a super-3 number, since 3×1011002001212³ (a number of 37 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1011002001193 and 1011002001202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6150713 + ... + 6312944.

It is an arithmetic number, because the mean of its divisors is an integer number (84279255396).

Almost surely, 2^{1011002001212} is an apocalyptic number.

It is an amenable number.

1011002001212 is an abundant number, since it is smaller than the sum of its proper divisors (1011700128292).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1011002001212 is a wasteful number, since it uses less digits than its factorization.

1011002001212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12466565 (or 12466563 counting only the distinct ones).

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

Adding to 1011002001212 its reverse (2121002001101), we get a palindrome (3132004002313).

The spelling of 1011002001212 in words is "one trillion, eleven billion, two million, one thousand, two hundred twelve".