103012143432420 has 192 divisors, whose sum is σ = 306687970310400. Its totient is φ = 25785320601600.

The previous prime is 103012143432361. The next prime is 103012143432421. The reversal of 103012143432420 is 24234341210301.

It is a super-2 number, since 2×103012143432420² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (103012143432421) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 80418970 + ... + 81689870.

It is an arithmetic number, because the mean of its divisors is an integer number (1597333178700).

Almost surely, 2^{103012143432420} is an apocalyptic number.

103012143432420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103012143432420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153343985155200).

103012143432420 is an abundant number, since it is smaller than the sum of its proper divisors (203675826877980).

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

103012143432420 is a wasteful number, since it uses less digits than its factorization.

103012143432420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1272238 (or 1272236 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 103012143432420 its reverse (24234341210301), we get a palindrome (127246484642721).

The spelling of 103012143432420 in words is "one hundred three trillion, twelve billion, one hundred forty-three million, four hundred thirty-two thousand, four hundred twenty".