42123011032102 has 64 divisors (see below), whose sum is σ = 84836991052800. Its totient is φ = 15148806986880.

The previous prime is 42123011032087. The next prime is 42123011032129. The reversal of 42123011032102 is 20123011032124.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 104280799 + ... + 104683957.

It is an arithmetic number, because the mean of its divisors is an integer number (1325577985200).

Almost surely, 2^{42123011032102} is an apocalyptic number.

42123011032102 is an abundant number, since it is smaller than the sum of its proper divisors (42713980020698).

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

42123011032102 is a wasteful number, since it uses less digits than its factorization.

42123011032102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455381.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 42123011032102 its sum of digits (22), we get a palindrome (42123011032124).

Adding to 42123011032102 its reverse (20123011032124), we get a palindrome (62246022064226).

The spelling of 42123011032102 in words is "forty-two trillion, one hundred twenty-three billion, eleven million, thirty-two thousand, one hundred two".