1020123011140 has 48 divisors (see below), whose sum is σ = 2145093269760. Its totient is φ = 407509464320.

The previous prime is 1020123011087. The next prime is 1020123011203. The reversal of 1020123011140 is 411103210201.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132634695 + ... + 132642385.

It is an arithmetic number, because the mean of its divisors is an integer number (44689443120).

Almost surely, 2^{1020123011140} is an apocalyptic number.

1020123011140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1020123011140 is an abundant number, since it is smaller than the sum of its proper divisors (1124970258620).

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

1020123011140 is a wasteful number, since it uses less digits than its factorization.

1020123011140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15612 (or 15610 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1020123011140 its reverse (411103210201), we get a palindrome (1431226221341).

The spelling of 1020123011140 in words is "one trillion, twenty billion, one hundred twenty-three million, eleven thousand, one hundred forty".