140012012010420 has 192 divisors, whose sum is σ = 475209818254080. Its totient is φ = 33941053440000.

The previous prime is 140012012010391. The next prime is 140012012010443. The reversal of 140012012010420 is 24010210210041.

140012012010420 is a `hidden beast` number, since 1 + 4 + 0 + 0 + 120 + 120 + 1 + 0 + 420 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 140012012010393 and 140012012010402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 165905044 + ... + 166746836.

It is an arithmetic number, because the mean of its divisors is an integer number (2475051136740).

Almost surely, 2^{140012012010420} is an apocalyptic number.

140012012010420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140012012010420 is an abundant number, since it is smaller than the sum of its proper divisors (335197806243660).

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

140012012010420 is a wasteful number, since it uses less digits than its factorization.

140012012010420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 869823 (or 869815 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 140012012010420 its reverse (24010210210041), we get a palindrome (164022222220461).

The spelling of 140012012010420 in words is "one hundred forty trillion, twelve billion, twelve million, ten thousand, four hundred twenty".