1043111021412 has 24 divisors (see below), whose sum is σ = 2434018924512. Its totient is φ = 347690358400.

The previous prime is 1043111021401. The next prime is 1043111021413. The reversal of 1043111021412 is 2141201113401.

1043111021412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (1043111021413) 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, 1335414 + ... + 1967117.

It is an arithmetic number, because the mean of its divisors is an integer number (101417455188).

Almost surely, 2^{1043111021412} is an apocalyptic number.

1043111021412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1043111021412 is an abundant number, since it is smaller than the sum of its proper divisors (1390907903100).

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

1043111021412 is a wasteful number, since it uses less digits than its factorization.

1043111021412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3328859 (or 3328857 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 1043111021412 its reverse (2141201113401), we get a palindrome (3184312134813).

The spelling of 1043111021412 in words is "one trillion, forty-three billion, one hundred eleven million, twenty-one thousand, four hundred twelve".