102020123223212 has 12 divisors (see below), whose sum is σ = 186297616320816. Its totient is φ = 48792232845840.

The previous prime is 102020123223203. The next prime is 102020123223223. The reversal of 102020123223212 is 212322321020201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 554457191339 + ... + 554457191522.

It is an arithmetic number, because the mean of its divisors is an integer number (15524801360068).

Almost surely, 2^{102020123223212} is an apocalyptic number.

It is an amenable number.

102020123223212 is a deficient number, since it is larger than the sum of its proper divisors (84277493097604).

102020123223212 is a wasteful number, since it uses less digits than its factorization.

102020123223212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1108914382888 (or 1108914382886 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 102020123223212 its reverse (212322321020201), we get a palindrome (314342444243413).

The spelling of 102020123223212 in words is "one hundred two trillion, twenty billion, one hundred twenty-three million, two hundred twenty-three thousand, two hundred twelve".