102412123401 has 48 divisors (see below), whose sum is σ = 167244522624. Its totient is φ = 54591000576.

The previous prime is 102412123381. The next prime is 102412123417. The reversal of 102412123401 is 104321214201.

It is not a de Polignac number, because 102412123401 - 2⁶ = 102412123337 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (102412123201) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 611131 + ... + 760463.

It is an arithmetic number, because the mean of its divisors is an integer number (3484260888).

Almost surely, 2^102412123401 is an apocalyptic number.

It is an amenable number.

102412123401 is a deficient number, since it is larger than the sum of its proper divisors (64832399223).

102412123401 is a wasteful number, since it uses less digits than its factorization.

102412123401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149490 (or 149473 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 102412123401 its reverse (104321214201), we get a palindrome (206733337602).

The spelling of 102412123401 in words is "one hundred two billion, four hundred twelve million, one hundred twenty-three thousand, four hundred one".