1121211020012 has 36 divisors (see below), whose sum is σ = 2038794301656. Its totient is φ = 539395274880.

The previous prime is 1121211019967. The next prime is 1121211020029. The reversal of 1121211020012 is 2100201121211.

It is a super-2 number, since 2×1121211020012² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 635789 + ... + 1626852.

It is an arithmetic number, because the mean of its divisors is an integer number (56633175046).

Almost surely, 2^{1121211020012} is an apocalyptic number.

It is an amenable number.

1121211020012 is a deficient number, since it is larger than the sum of its proper divisors (917583281644).

1121211020012 is a wasteful number, since it uses less digits than its factorization.

1121211020012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2262798 (or 2262753 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1121211020012 its reverse (2100201121211), we get a palindrome (3221412141223).

The spelling of 1121211020012 in words is "one trillion, one hundred twenty-one billion, two hundred eleven million, twenty thousand, twelve".