1011121210012 has 18 divisors (see below), whose sum is σ = 1879670832872. Its totient is φ = 475821745344.

The previous prime is 1011121209977. The next prime is 1011121210039. The reversal of 1011121210012 is 2100121211101.

It is a happy number.

1011121210012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1011121210012² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1011121209974 and 1011121210001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 437335008 + ... + 437337319.

Almost surely, 2^{1011121210012} is an apocalyptic number.

It is an amenable number.

1011121210012 is a deficient number, since it is larger than the sum of its proper divisors (868549622860).

1011121210012 is a wasteful number, since it uses less digits than its factorization.

1011121210012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 874672365 (or 874672346 counting only the distinct ones).

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

Adding to 1011121210012 its reverse (2100121211101), we get a palindrome (3111242421113).

The spelling of 1011121210012 in words is "one trillion, eleven billion, one hundred twenty-one million, two hundred ten thousand, twelve".