1212148748 has 6 divisors (see below), whose sum is σ = 2121260316. Its totient is φ = 606074372.

The previous prime is 1212148747. The next prime is 1212148771. The reversal of 1212148748 is 8478412121.

It is not an unprimeable number, because it can be changed into a prime (1212148747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 151518590 + ... + 151518597.

It is an arithmetic number, because the mean of its divisors is an integer number (353543386).

Almost surely, 2^1212148748 is an apocalyptic number.

It is an amenable number.

1212148748 is a deficient number, since it is larger than the sum of its proper divisors (909111568).

1212148748 is a wasteful number, since it uses less digits than its factorization.

1212148748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303037191 (or 303037189 counting only the distinct ones).

The product of its digits is 28672, while the sum is 38.

The square root of 1212148748 is about 34815.9266428455. The cubic root of 1212148748 is about 1066.2326380436.

The spelling of 1212148748 in words is "one billion, two hundred twelve million, one hundred forty-eight thousand, seven hundred forty-eight".