11212601712 has 80 divisors (see below), whose sum is σ = 31213085568. Its totient is φ = 3447924480.

The previous prime is 11212601669. The next prime is 11212601713. The reversal of 11212601712 is 21710621211.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11212601713) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1245387 + ... + 1254357.

Almost surely, 2^11212601712 is an apocalyptic number.

11212601712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11212601712 is an abundant number, since it is smaller than the sum of its proper divisors (20000483856).

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

11212601712 is a wasteful number, since it uses less digits than its factorization.

11212601712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10998 (or 10992 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 24.

The spelling of 11212601712 in words is "eleven billion, two hundred twelve million, six hundred one thousand, seven hundred twelve".