123012355522010 has 16 divisors (see below), whose sum is σ = 228564892841472. Its totient is φ = 47617686008400.

The previous prime is 123012355521973. The next prime is 123012355522019. The reversal of 123012355522010 is 10225553210321.

It is a super-2 number, since 2×123012355522010² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (123012355522019) 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, 198407024726 + ... + 198407025345.

It is an arithmetic number, because the mean of its divisors is an integer number (14285305802592).

Almost surely, 2^{123012355522010} is an apocalyptic number.

123012355522010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123012355522010 is a deficient number, since it is larger than the sum of its proper divisors (105552537319462).

123012355522010 is a wasteful number, since it uses less digits than its factorization.

123012355522010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396814050109.

The product of its (nonzero) digits is 18000, while the sum is 32.

The spelling of 123012355522010 in words is "one hundred twenty-three trillion, twelve billion, three hundred fifty-five million, five hundred twenty-two thousand, ten".