102120401346 has 16 divisors (see below), whose sum is σ = 205095369600. Its totient is φ = 33897705968.

The previous prime is 102120401291. The next prime is 102120401347. The reversal of 102120401346 is 643104021201.

It is a super-2 number, since 2×102120401346² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (102120401347) 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, 35605401 + ... + 35608268.

It is an arithmetic number, because the mean of its divisors is an integer number (12818460600).

Almost surely, 2^102120401346 is an apocalyptic number.

102120401346 is an abundant number, since it is smaller than the sum of its proper divisors (102974968254).

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

102120401346 is a wasteful number, since it uses less digits than its factorization.

102120401346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71213913.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 102120401346 its reverse (643104021201), we get a palindrome (745224422547).

The spelling of 102120401346 in words is "one hundred two billion, one hundred twenty million, four hundred one thousand, three hundred forty-six".