123212101002 has 16 divisors (see below), whose sum is σ = 254921588640. Its totient is φ = 39654469232.

The previous prime is 123212100953. The next prime is 123212101003. The reversal of 123212101002 is 200101212321.

It is a super-5 number, since 5×123212101002⁵ (a number of 57 digits) contains 55555 as substring.

It is not an unprimeable number, because it can be changed into a prime (123212101003) 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, 354057588 + ... + 354057935.

It is an arithmetic number, because the mean of its divisors is an integer number (15932599290).

Almost surely, 2^123212101002 is an apocalyptic number.

123212101002 is an abundant number, since it is smaller than the sum of its proper divisors (131709487638).

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

123212101002 is a wasteful number, since it uses less digits than its factorization.

123212101002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 708115557.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 123212101002 its reverse (200101212321), we get a palindrome (323313313323).

The spelling of 123212101002 in words is "one hundred twenty-three billion, two hundred twelve million, one hundred one thousand, two".