1011120101212 has 24 divisors (see below), whose sum is σ = 1909391330000. Its totient is φ = 465735591936.

The previous prime is 1011120101197. The next prime is 1011120101219. The reversal of 1011120101212 is 2121010211101.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 1011120101192 and 1011120101201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011120101219) 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, 19457637 + ... + 19509532.

Almost surely, 2^{1011120101212} is an apocalyptic number.

It is an amenable number.

1011120101212 is a deficient number, since it is larger than the sum of its proper divisors (898271228788).

1011120101212 is a wasteful number, since it uses less digits than its factorization.

1011120101212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38967685 (or 38967683 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1011120101212 its reverse (2121010211101), we get a palindrome (3132130312313).

The spelling of 1011120101212 in words is "one trillion, eleven billion, one hundred twenty million, one hundred one thousand, two hundred twelve".