1012194011120 has 40 divisors (see below), whose sum is σ = 2353470466464. Its totient is φ = 404857064192.

The previous prime is 1012194011099. The next prime is 1012194011137. The reversal of 1012194011120 is 211104912101.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×1012194011120² (a number of 25 digits) contains 22 as substring.

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, 1317797 + ... + 1939323.

Almost surely, 2^{1012194011120} is an apocalyptic number.

1012194011120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1012194011120 is an abundant number, since it is smaller than the sum of its proper divisors (1341276455344).

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

1012194011120 is a wasteful number, since it uses less digits than its factorization.

1012194011120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641897 (or 641891 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 23.

Adding to 1012194011120 its reverse (211104912101), we get a palindrome (1223298923221).

The spelling of 1012194011120 in words is "one trillion, twelve billion, one hundred ninety-four million, eleven thousand, one hundred twenty".