1011213012140 has 24 divisors (see below), whose sum is σ = 2125234072080. Its totient is φ = 404163919808.

The previous prime is 1011213012113. The next prime is 1011213012157. The reversal of 1011213012140 is 412103121101.

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, 20054507 + ... + 20104866.

It is an arithmetic number, because the mean of its divisors is an integer number (88551419670).

Almost surely, 2^{1011213012140} is an apocalyptic number.

1011213012140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1011213012140 is an abundant number, since it is smaller than the sum of its proper divisors (1114021059940).

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

1011213012140 is a wasteful number, since it uses less digits than its factorization.

1011213012140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40160641 (or 40160639 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 1011213012140 its reverse (412103121101), we get a palindrome (1423316133241).

The spelling of 1011213012140 in words is "one trillion, eleven billion, two hundred thirteen million, twelve thousand, one hundred forty".